{"id":12381,"date":"2026-09-28T21:47:17","date_gmt":"2026-09-28T19:47:17","guid":{"rendered":"https:\/\/www.englishexpert.de\/wp\/?page_id=12381"},"modified":"2026-10-29T14:03:41","modified_gmt":"2026-10-29T13:03:41","slug":"academic-writing-session-13","status":"publish","type":"page","link":"https:\/\/www.englishexpert.de\/wp\/academic-writing-session-13\/","title":{"rendered":"Academic Writing: Session 13"},"content":{"rendered":"\n<!-- ============================================================\n     ACADEMIC REGISTER MODULE \u2014 SESSION 13\n     Self-paced digital lesson: Source Hierarchy & Substantiation\n     Launches Module 4: Literature Synthesis, Functional Language & Research Ethics\n     Reuses the arm- CSS system from Sessions 1-12 (id: arm-styles)\n     No page header \/ title \u2014 designed for WordPress Custom HTML page\n     Homework submission via Forminator shortcode (form id 10882)\n     Includes downloadable PDF takeaway summary (jsPDF, CDN, no build step)\n    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*::before,#arm-session-13 *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}}\n<\/style>\n<div aria-label=\"Session 13: Source hierarchy and substantiation\" class=\"arm-module\" id=\"arm-session-13\" lang=\"en\" role=\"region\">\n<div class=\"arm-progress-wrap\">\n<div class=\"arm-progress-label\">\n<span id=\"arm13-step-label\">Step 1 of 9<\/span>\n<span id=\"arm13-percent-label\">0% complete<\/span>\n<\/div>\n<div aria-label=\"Lesson steps visited\" aria-valuemax=\"100\" aria-valuemin=\"0\" aria-valuenow=\"0\" class=\"arm-progress-track\" id=\"arm13-progress-track\" role=\"progressbar\">\n<div class=\"arm-progress-fill\" id=\"arm13-progress-fill\"><\/div>\n<\/div>\n<div aria-label=\"Choose a lesson step\" class=\"arm-nav-dots\" id=\"arm13-nav-dots\" role=\"group\"><\/div>\n<\/div>\n<section aria-labelledby=\"arm13-heading-0\" class=\"arm-section active\" data-index=\"0\">\n<span class=\"arm-badge\">Session 13 \u00b7 Module 4<\/span>\n<span class=\"arm-time-tag\">90 minutes \u00b7 self-paced<\/span>\n<h2 id=\"arm13-heading-0\" tabindex=\"-1\">Source Hierarchy and Substantiation<\/h2>\n<p>This session launches Module 4: Literature Synthesis, Functional Language &amp; Research Ethics. You will learn to distinguish primary, secondary, and tertiary literature, validate claims with a preponderance of evidence, calibrate citation frequency, and select accurate citation tenses.<\/p>\n<div class=\"arm-box gold\">\n<h3>By the end of this session, you will be able to:<\/h3>\n<ul class=\"arm-obj-list\">\n<li><span aria-hidden=\"true\" class=\"arm-obj-icon\">\u25cf<\/span><span>Evaluate and categorize sources into primary, secondary, and tertiary literature, prioritizing peer-reviewed primary research.<\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"arm-obj-icon\">\u25cf<\/span><span>Apply the rule of substantiation by validating non-common claims with a preponderance of high-quality evidence.<\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"arm-obj-icon\">\u25cf<\/span><span>Differentiate between common knowledge and citable assertions to avoid under-citation and unnecessary clutter.<\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"arm-obj-icon\">\u25cf<\/span><span>Select appropriate citation tenses based on whether the focus is a specific study, an ongoing trend, or an established fact.<\/span><\/li>\n<li><span aria-hidden=\"true\" class=\"arm-obj-icon\">\u25cf<\/span><span>Contrast author-prominent and information-prominent citation structures.<\/span><\/li>\n<\/ul>\n<\/div>\n<div class=\"arm-btn-row center\">\n<button class=\"arm-btn gold\" onclick=\"arm13GoTo(1)\" type=\"button\">Start the lesson \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-1\" class=\"arm-section\" data-index=\"1\">\n<span class=\"arm-badge\">Phase 1<\/span>\n<span class=\"arm-time-tag\">15 minutes<\/span>\n<h2 id=\"arm13-heading-1\" tabindex=\"-1\">The Hierarchy of Academic Evidence<\/h2>\n<div class=\"arm-audio-box\">\n<span class=\"arm-audio-label\">\ud83c\udfa4 Listen: the source hierarchy and substantiation<\/span>\n<span aria-hidden=\"true\" class=\"arm-audio-icon\">\u266b<\/span>\n<audio aria-describedby=\"arm13-audio-help\" aria-label=\"Introduction to source hierarchy and substantiation\" controls=\"\" id=\"arm13-audio\" preload=\"metadata\">\n<source src=\"https:\/\/www.englishexpert.de\/wp\/wp-content\/uploads\/2026\/09\/AW_13.mp3\" type=\"audio\/mpeg\"\/>\n        Your browser does not support the audio element. You can <a href=\"https:\/\/www.englishexpert.de\/wp\/wp-content\/uploads\/2026\/09\/AW_13.mp3\">download the audio file<\/a> instead.\n      <\/audio>\n<div aria-label=\"Additional audio controls\" class=\"arm-audio-controls\" role=\"group\"><button aria-label=\"Go back 10 seconds\" class=\"arm-audio-btn\" disabled=\"\" id=\"arm13-back\" type=\"button\">\u21ba Back 10 s<\/button><button aria-label=\"Go forward 10 seconds\" class=\"arm-audio-btn\" disabled=\"\" id=\"arm13-forward\" type=\"button\">Forward 10 s \u21bb<\/button><label for=\"arm13-speed\">Playback speed<\/label><select id=\"arm13-speed\"><option value=\"0.75\">0.75\u00d7<\/option><option value=\"0.85\">0.85\u00d7<\/option><option selected=\"\" value=\"1\">1\u00d7 (normal)<\/option><option value=\"1.25\">1.25\u00d7<\/option><\/select><\/div><p id=\"arm13-audio-help\">Skip controls become available when the audio information has loaded. A full transcript is available below.<\/p><div aria-atomic=\"true\" id=\"arm13-audio-status\" role=\"status\"><\/div><\/div><details class=\"arm-transcript\" id=\"arm13-transcript\"><summary>Show transcript<\/summary><div aria-label=\"Transcript: Source hierarchy and substantiation\" class=\"arm-transcript-body\" role=\"region\" tabindex=\"0\"><p><span>[00:00]<\/span><br\/>Welcome to Module 4. So far, you have learned how to structure arguments, paragraphs, and research introductions. In this module, we focus on the material that makes those structures credible, the sources you use, and how you present them.<\/p><p><span>[00:16]<\/span><br\/>An academic argument is only as strong as its evidence. That is why researchers pay close attention to the hierarchy of sources. Primary sources report first-hand findings. These include original research articles, empirical trial data, and raw data sets. Peer-reviewed primary studies form the bedrock of scholarly support.<\/p><p><span>[00:38]<\/span><br\/>Secondary sources summarize, synthesize, or evaluate primary studies. Literature reviews, meta-analyses, and scholarly books are useful for establishing context and for finding the primary studies you may need to cite. Tertiary sources, such as encyclopedias, textbooks, and popular media summaries, are helpful for orientation, but they are generally not cited as evidence in rigorous academic writing.<\/p><p><span>[01:05]<\/span><br\/>Quality matters as well as type. Not every journal that describes itself as peer-reviewed applies rigorous editorial standards, so you need to be cautious about unverified or predatory outlets.<\/p><\/div><\/details>\n<div class=\"arm-source-pyramid\">\n<div class=\"arm-source-row primary\">Primary sources<\/div>\n<div class=\"arm-source-row secondary\">Secondary sources<\/div>\n<div class=\"arm-source-row tertiary\">Tertiary sources<\/div>\n<\/div>\n<h3>Primary sources<\/h3>\n<p>Original research articles, empirical trial data, historical artifacts, or raw datasets reporting first-hand scientific findings. Primary, peer-reviewed articles form the bedrock of scholarly substantiation.<\/p>\n<h3>Secondary sources<\/h3>\n<p>Literature reviews, meta-analyses, and scholarly books that summarize, synthesize, or evaluate primary studies. Useful for establishing broad context or finding primary citations.<\/p>\n<h3>Tertiary sources<\/h3>\n<p>Encyclopedias, textbooks, Wikipedia, and popular media summaries. Used for initial orientation or background understanding, but generally excluded as primary cited evidence in rigorous academic papers.<\/p>\n<div class=\"arm-box red\">\n<h3>Evaluating peer-review credibility<\/h3>\n<p>Understand journal impact, peer-review filtering, and avoid predatory or unverified self-published sources. Not every journal that claims to be peer-reviewed applies rigorous editorial standards.<\/p>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-quiz-1-prompt\">Check: which source type forms the bedrock of scholarly substantiation?<\/div>\n<div aria-labelledby=\"arm13-quiz-1-prompt\" class=\"arm-chip-group\" id=\"arm13-quiz-1\" role=\"group\">\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"true\" onclick=\"arm13ChipSelect(this,'arm13-quiz-1')\" type=\"button\">Primary, peer-reviewed sources<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-1')\" type=\"button\">Tertiary sources like encyclopedias<\/button>\n<\/div>\n<div class=\"arm-feedback\" id=\"arm13-quiz-1-feedback\"><\/div><div aria-atomic=\"true\" class=\"arm-sr-only\" id=\"arm13-quiz-1-status\" role=\"status\"><\/div>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-quiz-1b-prompt\">Check: classify this source. &#8220;A meta-analysis synthesizing findings from 40 primary studies on sleep and productivity.&#8221;<\/div>\n<div aria-labelledby=\"arm13-quiz-1b-prompt\" class=\"arm-chip-group\" id=\"arm13-quiz-1b\" role=\"group\">\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-1b')\" type=\"button\">Primary<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"true\" onclick=\"arm13ChipSelect(this,'arm13-quiz-1b')\" type=\"button\">Secondary<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-1b')\" type=\"button\">Tertiary<\/button>\n<\/div>\n<div class=\"arm-feedback\" id=\"arm13-quiz-1b-feedback\"><\/div><div aria-atomic=\"true\" class=\"arm-sr-only\" id=\"arm13-quiz-1b-status\" role=\"status\"><\/div>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(0)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(2)\" type=\"button\">Next: Substantiation \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-2\" class=\"arm-section\" data-index=\"2\">\n<span class=\"arm-badge\">Phase 2<\/span>\n<span class=\"arm-time-tag\">30 minutes<\/span>\n<h2 id=\"arm13-heading-2\" tabindex=\"-1\">Substantiation, Citation Density, and Common Knowledge<\/h2>\n<div class=\"arm-box\">\n<h3>The rule of substantiation<\/h3>\n<p>Academic arguments require claims to be backed by a preponderance of empirical evidence rather than personal assumption or single anecdotal cases. One study rarely settles a question on its own; a body of converging evidence does.<\/p>\n<\/div>\n<h3>Common knowledge vs. citable claims<\/h3>\n<table class=\"arm-table\">\n<tbody><tr><th scope=\"col\">Category<\/th><th scope=\"col\">Definition<\/th><th scope=\"col\">Example<\/th><th scope=\"col\">Citation needed?<\/th><\/tr>\n<tr><td>General common knowledge<\/td><td>Facts widely known by the general public<\/td><td>&#8220;Water freezes at 0\u00b0C.&#8221;<\/td><td>No<\/td><\/tr>\n<tr><td>Discipline-specific common knowledge<\/td><td>Core principles universally accepted within a field<\/td><td>&#8220;DNA consists of a double-helix structure.&#8221;<\/td><td>No, for field specialists<\/td><\/tr>\n<tr><td>Citable assertions<\/td><td>Specific statistics, experimental findings, contested interpretations, or novel frameworks<\/td><td>&#8220;78% of surveyed employees reported increased satisfaction.&#8221;<\/td><td>Yes, immediately<\/td><\/tr>\n<\/tbody><\/table>\n<h3>Balancing citation frequency<\/h3>\n<div class=\"arm-box red\">\n<p><strong>Under-citation:<\/strong> leaving factual assertions unsupported, creating &#8220;orphan claims.&#8221;<\/p>\n<\/div>\n<div class=\"arm-box gold\">\n<p><strong>Over-citation:<\/strong> citing the same source after every single sentence in a paragraph summarizing a single study, creating visual clutter.<\/p>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-quiz-2-prompt\">Check: which statement requires a citation?<\/div>\n<div aria-labelledby=\"arm13-quiz-2-prompt\" class=\"arm-chip-group\" id=\"arm13-quiz-2\" role=\"group\">\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-2')\" type=\"button\">&#8220;The United Nations was established in 1945.&#8221;<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"true\" onclick=\"arm13ChipSelect(this,'arm13-quiz-2')\" type=\"button\">&#8220;62% of remote employees reported improved work-life balance.&#8221;<\/button>\n<\/div>\n<div class=\"arm-feedback\" id=\"arm13-quiz-2-feedback\"><\/div><div aria-atomic=\"true\" class=\"arm-sr-only\" id=\"arm13-quiz-2-status\" role=\"status\"><\/div>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(1)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(3)\" type=\"button\">Next: Citation Tenses \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-3\" class=\"arm-section\" data-index=\"3\">\n<span class=\"arm-badge\">Phase 3<\/span>\n<span class=\"arm-time-tag\">20 minutes<\/span>\n<h2 id=\"arm13-heading-3\" tabindex=\"-1\">The Grammar of Citation: Selecting Tenses<\/h2>\n<p>Three core citation tenses each signal a different relationship to the cited research.<\/p>\n<h3>Simple past (focus on specific past action)<\/h3>\n<p><strong>Usage:<\/strong> reporting specific findings, experiments, or methodological choices from individual prior studies.<\/p>\n<div class=\"arm-box\">\n<p>&#8220;Chen (2021) measured the surface temperature of green roofs across three urban zones.&#8221;<\/p>\n<\/div>\n<h3>Present perfect (focus on ongoing trends \/ general body of work)<\/h3>\n<p><strong>Usage:<\/strong> summarizing a general body of research, recent trends, or cumulative findings stretching up to the present, without focusing on one specific experiment date.<\/p>\n<div class=\"arm-box gold\">\n<p>&#8220;Several studies have demonstrated a strong correlation between green space and urban heat reduction (e.g., Smith, 2019; Taylor, 2022).&#8221;<\/p>\n<\/div>\n<h3>Simple present (focus on timeless facts \/ current relevance)<\/h3>\n<p><strong>Usage:<\/strong> stating established scientific facts, reporting what a text or model currently demonstrates, or discussing persistent theoretical views.<\/p>\n<div class=\"arm-box green\">\n<p>&#8220;The thermal model indicates that vegetation absorbs solar radiation.&#8221;<\/p>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-quiz-3-prompt\">Check: which tense fits &#8220;Several studies ___ examined the link between screen time and sleep quality (e.g., Nguyen, 2021; Park, 2023)&#8221;?<\/div>\n<div aria-labelledby=\"arm13-quiz-3-prompt\" class=\"arm-chip-group\" id=\"arm13-quiz-3\" role=\"group\">\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-3')\" type=\"button\">examined (simple past)<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"true\" onclick=\"arm13ChipSelect(this,'arm13-quiz-3')\" type=\"button\">have examined (present perfect)<\/button>\n<\/div>\n<div class=\"arm-feedback\" id=\"arm13-quiz-3-feedback\"><\/div><div aria-atomic=\"true\" class=\"arm-sr-only\" id=\"arm13-quiz-3-status\" role=\"status\"><\/div>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-ex1-label\">Practice: write a sentence using simple past to cite one specific dated study on a topic of your choice.<\/div>\n<textarea aria-labelledby=\"arm13-ex1-label\" id=\"arm13-ex1\" placeholder=\"e.g. 'Author (Year) found that...'\" rows=\"2\"><\/textarea>\n<button aria-controls=\"arm13-ex1-model\" aria-expanded=\"false\" class=\"arm-check-btn\" data-closed-label=\"Show model answer\" data-open-label=\"Hide model answer\" onclick=\"arm13ShowModel('arm13-ex1-model')\" type=\"button\">Show model answer<\/button>\n<div class=\"arm-feedback hint\" id=\"arm13-ex1-model\">Model: &#8220;Park (2023) found that adolescents who reduced screen time before bed reported a 15% improvement in sleep quality.&#8221;<\/div>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(2)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(4)\" type=\"button\">Next: Citation Structures \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-4\" class=\"arm-section\" data-index=\"4\">\n<span class=\"arm-badge\">Phase 4<\/span>\n<span class=\"arm-time-tag\">15 minutes<\/span>\n<h2 id=\"arm13-heading-4\" tabindex=\"-1\">Citation Structures: Author-Prominent vs. Information-Prominent<\/h2>\n<h3><span class=\"arm-cite-tag narrative\">Narrative<\/span>Author-prominent citations<\/h3>\n<p><strong>Structure:<\/strong> the author&#8217;s name is part of the sentence grammar.<\/p>\n<p><strong>Focus:<\/strong> emphasizes who conducted the research; useful when comparing competing researchers&#8217; perspectives.<\/p>\n<div class=\"arm-box\">\n<p>&#8220;According to Miller (2020), remote work improves employee retention.&#8221;<\/p>\n<\/div>\n<h3><span class=\"arm-cite-tag parenthetical\">Parenthetical<\/span>Information-prominent citations<\/h3>\n<p><strong>Structure:<\/strong> the citation appears entirely in parentheses at the end of the sentence or clause.<\/p>\n<p><strong>Focus:<\/strong> emphasizes what was found rather than who found it; standard for empirical reporting.<\/p>\n<div class=\"arm-box green\">\n<p>&#8220;Remote work models significantly improve overall employee retention (Miller, 2020).&#8221;<\/p>\n<\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-quiz-4-prompt\">Check: which citation style would you use when directly contrasting two researchers&#8217; competing claims?<\/div>\n<div aria-labelledby=\"arm13-quiz-4-prompt\" class=\"arm-chip-group\" id=\"arm13-quiz-4\" role=\"group\">\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"true\" onclick=\"arm13ChipSelect(this,'arm13-quiz-4')\" type=\"button\">Author-prominent (narrative)<\/button>\n<button aria-pressed=\"false\" class=\"arm-chip\" data-correct=\"false\" onclick=\"arm13ChipSelect(this,'arm13-quiz-4')\" type=\"button\">Information-prominent (parenthetical)<\/button>\n<\/div>\n<div class=\"arm-feedback\" id=\"arm13-quiz-4-feedback\"><\/div><div aria-atomic=\"true\" class=\"arm-sr-only\" id=\"arm13-quiz-4-status\" role=\"status\"><\/div>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(3)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(5)\" type=\"button\">Next: Practice Activity \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-5\" class=\"arm-section\" data-index=\"5\">\n<span class=\"arm-badge\">Practice<\/span>\n<span class=\"arm-time-tag\">15 minutes<\/span>\n<h2 id=\"arm13-heading-5\" tabindex=\"-1\">Source and Tense Audit Workshop<\/h2>\n<p>Edit the flawed draft below, correcting improper tenses, fixing under-citation, and converting informal citation phrasing.<\/p>\n<div class=\"arm-homework-passage\">\n      &#8220;A lot of people say that urban heat islands are bad. Smith (2020) has found that trees cool down cities by 2\u00b0C. Also, Johnson (2018) proved that urban green roofs are great for energy savings, and Miller (2022) says the same thing.&#8221;\n    <\/div>\n<div class=\"arm-exercise\">\n<div class=\"arm-exercise-prompt\" id=\"arm13-act1-label\">Rewrite the paragraph with correct tenses, proper citation density, and academic phrasing.<\/div>\n<textarea aria-labelledby=\"arm13-act1-label\" id=\"arm13-act1\" placeholder=\"Your revised paragraph...\" rows=\"5\"><\/textarea>\n<button aria-controls=\"arm13-act1-model\" aria-expanded=\"false\" class=\"arm-check-btn\" data-closed-label=\"Show sample revision\" data-open-label=\"Hide sample revision\" onclick=\"arm13ShowModel('arm13-act1-model')\" type=\"button\">Show sample revision<\/button>\n<div class=\"arm-feedback hint\" id=\"arm13-act1-model\">Sample: &#8220;Urban heat island effects present substantial environmental and public health challenges in modern metropolitan centers. In an empirical study, Smith (2020) observed that urban canopy coverage reduced localized surface temperatures by an average of 2\u00b0C. Furthermore, research has consistently demonstrated that green roof installations contribute to significant municipal energy savings (Johnson, 2018; Miller, 2022).&#8221;<\/div>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(4)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(6)\" type=\"button\">Next: Homework \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-6\" class=\"arm-section\" data-index=\"6\">\n<span class=\"arm-badge\">Assignment<\/span>\n<span class=\"arm-time-tag\">Homework<\/span>\n<h2 id=\"arm13-heading-6\" tabindex=\"-1\">Substantiation and Citation Tense Calibration<\/h2>\n<p>Below is a 200-word un-cited passage containing a mix of general facts, empirical claims, and literature references.<\/p>\n<div class=\"arm-homework-passage\">\n      &#8220;Sleep deprivation affects millions of people worldwide and is linked to numerous health problems. The human body requires sleep to consolidate memories and regulate hormones. Recent research found that adults who slept fewer than six hours per night showed a 27% increase in reported stress levels. Chronic sleep loss reduces cognitive performance and reaction time. A large cohort study tracked over 3,000 participants across five years and observed a significant association between poor sleep and workplace errors. Employers have started implementing wellness programs to address fatigue-related productivity loss. One survey of corporate wellness initiatives showed that companies offering flexible start times saw measurable improvements in employee-reported alertness. Sleep hygiene education, including consistent bedtimes and reduced screen exposure before sleep, is widely recommended by health professionals. Some researchers argue that workplace culture itself is a primary driver of chronic sleep restriction, particularly in high-pressure industries. This claim remains a subject of ongoing academic debate, with some scholars pointing instead to individual lifestyle choices as the dominant factor.&#8221;\n    <\/div>\n<div class=\"arm-box\">\n<p><strong>Task:<\/strong> Identify which sentences require citations, insert placeholder citations using both author-prominent and information-prominent formats, and calibrate all verb tenses (simple past, present perfect, simple present) accurately.<\/p>\n<\/div>\n<div class=\"arm-btn-row\" style=\"margin-top:0;\">\n<button aria-controls=\"arm13-homework-model\" aria-expanded=\"false\" class=\"arm-check-btn\" data-closed-label=\"View model answer\" data-open-label=\"Hide model answer\" onclick=\"arm13ShowModel('arm13-homework-model')\" type=\"button\">View model answer<\/button>\n<\/div>\n<div class=\"arm-feedback hint\" id=\"arm13-homework-model\">\n<p><strong>Model answer, step 1: which sentences need citations?<\/strong><\/p>\n<table class=\"arm-table\"><tbody><tr><th scope=\"col\">#<\/th><th scope=\"col\">Sentence (shortened)<\/th><th scope=\"col\">Cite?<\/th><th scope=\"col\">Decision and tense<\/th><\/tr><tr><td>1<\/td><td>Sleep deprivation affects millions&#8230; linked to numerous health problems.<\/td><td>Yes<\/td><td>Quantity and health-link claim. Information-prominent: (Adams, 2020).<\/td><\/tr><tr><td>2<\/td><td>The human body requires sleep to consolidate memories and regulate hormones.<\/td><td>No<\/td><td>Discipline-specific common knowledge. Keep simple present.<\/td><\/tr><tr><td>3<\/td><td>Recent research found that adults who slept fewer than six hours&#8230; 27% increase.<\/td><td>Yes<\/td><td>Specific statistic from one study. Author-prominent, simple past: Lee (2023) found&#8230;<\/td><\/tr><tr><td>4<\/td><td>Chronic sleep loss reduces cognitive performance and reaction time.<\/td><td>Yes<\/td><td>Empirical claim. Information-prominent, simple present: (Patel, 2019; Nguyen, 2021).<\/td><\/tr><tr><td>5<\/td><td>A large cohort study tracked over 3,000 participants&#8230;<\/td><td>Yes<\/td><td>Named study needed. Author-prominent, simple past: Brown et al. (2021) tracked&#8230;<\/td><\/tr><tr><td>6<\/td><td>Employers have started implementing wellness programs&#8230;<\/td><td>Yes<\/td><td>Trend claim. Information-prominent, present perfect: (Garcia, 2022).<\/td><\/tr><tr><td>7<\/td><td>One survey&#8230; showed that companies offering flexible start times saw&#8230;<\/td><td>Yes<\/td><td>Specific finding. Author-prominent, simple past: Okafor (2022) surveyed&#8230; and found&#8230;<\/td><\/tr><tr><td>8<\/td><td>Sleep hygiene education&#8230; is widely recommended by health professionals.<\/td><td>Yes<\/td><td>Contestable authority claim. Information-prominent, simple present: (Health Council, 2020).<\/td><\/tr><tr><td>9<\/td><td>Some researchers argue that workplace culture&#8230; is a primary driver.<\/td><td>Yes<\/td><td>Vague attribution. Name the researcher. Author-prominent, present for a persistent view: Martin (2020) argues&#8230;<\/td><\/tr><tr><td>10<\/td><td>This claim remains a subject of ongoing academic debate&#8230;<\/td><td>Yes<\/td><td>Name the opposing view: Silva (2021) attributes&#8230; Present tense for the continuing debate.<\/td><\/tr><\/tbody><\/table>\n<p><strong>Model answer, step 2: annotated and calibrated passage<\/strong><\/p>\n<p>Sleep deprivation affects millions of people worldwide and is linked to numerous health problems (Adams, 2020) [information-prominent]. The human body requires sleep to consolidate memories and regulate hormones. Lee (2023) found that adults who slept fewer than six hours per night showed a 27% increase in reported stress levels [author-prominent, simple past]. Chronic sleep loss reduces cognitive performance and reaction time (Patel, 2019; Nguyen, 2021) [information-prominent, simple present]. Brown et al. (2021) tracked over 3,000 participants across five years and observed a significant association between poor sleep and workplace errors [author-prominent, simple past]. Employers have started implementing wellness programs to address fatigue-related productivity loss (Garcia, 2022) [information-prominent, present perfect]. Okafor (2022) surveyed corporate wellness initiatives and found that companies offering flexible start times reported measurable improvements in employee-reported alertness [author-prominent, simple past]. Sleep hygiene education, including consistent bedtimes and reduced screen exposure before sleep, is widely recommended by health professionals (Health Council, 2020) [information-prominent, simple present]. Martin (2020) argues that workplace culture itself is a primary driver of chronic sleep restriction, particularly in high-pressure industries [author-prominent, present]. However, this claim remains debated, as Silva (2021) attributes the problem mainly to individual lifestyle choices [author-prominent, present].<\/p>\n<p><strong>Why this works:<\/strong> Only sentence 2 is left uncited because it is discipline-specific common knowledge. The passage mixes both citation structures: author-prominent where the researcher matters (single studies, competing views) and information-prominent where the finding matters (general trends and established effects). Tenses follow the session rules: simple past for individual studies, present perfect for a trend up to the present, and simple present for established facts and views that persist. The linking word &#8220;However&#8221; also marks the shift to the debate. All author names, years and the &#8220;Health Council&#8221; source are placeholders; a real assignment needs verified sources.<\/p>\n<\/div>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(5)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn gold\" onclick=\"arm13GoTo(7)\" type=\"button\">Next: Takeaway PDF \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-7\" class=\"arm-section\" data-index=\"7\">\n<span class=\"arm-badge\">Takeaway<\/span>\n<span class=\"arm-time-tag\">Reference sheet<\/span>\n<h2 id=\"arm13-heading-7\" tabindex=\"-1\">Session 13 Summary Sheet<\/h2>\n<p>Download a one-page PDF summarising the source hierarchy, common knowledge rules, citation tenses, and citation structures from this session.<\/p>\n<div class=\"arm-pdf-box\">\n<div aria-hidden=\"true\" class=\"arm-pdf-icon\">\ud83d\udcc4<\/div>\n<p style=\"margin-bottom:6px;\"><strong>Session 13: Source Hierarchy and Substantiation<\/strong><\/p>\n<p style=\"font-size:0.88rem; color:var(--arm-grey-700); margin-bottom:18px;\">Source hierarchy \u00b7 substantiation rule \u00b7 citation tenses \u00b7 citation structures<\/p>\n<button class=\"arm-btn pdf\" onclick=\"arm13GeneratePDF()\" type=\"button\">\u2193 Download PDF summary<\/button>\n<div aria-atomic=\"true\" class=\"arm-pdf-status\" id=\"arm13-pdf-status\" role=\"status\"><\/div><p>The same summary is available below as HTML. The PDF has not been verified as a tagged, accessible document.<\/p>\n<\/div><details class=\"arm-html-summary\"><summary>Read the summary on this page<\/summary><div class=\"arm-summary-body\"><h3>1. Source hierarchy<\/h3><dl><dt>Primary<\/dt><dd>Original research, empirical data, raw datasets.<\/dd><dt>Secondary<\/dt><dd>Literature reviews, meta-analyses, scholarly books.<\/dd><dt>Tertiary<\/dt><dd>Encyclopedias, textbooks, Wikipedia, popular media.<\/dd><\/dl><h3>2. Common knowledge vs. citable claims<\/h3><ul><li>General common knowledge (no citation): \u201cWater freezes at 0C.\u201d<\/li><li>Discipline-specific common knowledge (no citation for specialists): \u201cDNA is a double helix.\u201d<\/li><li>Citable assertions (cite immediately): specific statistics, findings, contested interpretations.<\/li><\/ul><h3>3. Citation tenses<\/h3><ul><li>Simple past (specific study): \u201cChen (2021) measured surface temperature&#8230;\u201d<\/li><li>Present perfect (ongoing trend): \u201cSeveral studies have demonstrated&#8230;\u201d<\/li><li>Simple present (timeless fact): \u201cThe model indicates that&#8230;\u201d<\/li><\/ul><h3>4. Citation structures<\/h3><p><strong>Narrative:<\/strong> \u201cAccording to Miller (2020), remote work improves retention.\u201d<\/p><p><strong>Parenthetical:<\/strong> \u201cRemote work improves retention (Miller, 2020).\u201d<\/p><\/div><\/details>\n<div class=\"arm-btn-row\">\n<button class=\"arm-btn secondary\" onclick=\"arm13GoTo(6)\" type=\"button\">\u2190 Back<\/button>\n<button class=\"arm-btn\" onclick=\"arm13GoTo(8)\" type=\"button\">Finish session \u2192<\/button>\n<\/div>\n<\/section>\n<section aria-labelledby=\"arm13-heading-8\" class=\"arm-section\" data-index=\"8\">\n<div class=\"arm-complete\">\n<div aria-hidden=\"true\" class=\"arm-check-icon\">\u2713<\/div>\n<h2 id=\"arm13-heading-8\" tabindex=\"-1\">Session 13 complete<\/h2>\n<p>You have covered the source hierarchy, the rule of substantiation, common knowledge vs. citable claims, citation tenses, and citation structures. 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