Percent Increase and Decrease Quiz - Page 2
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Programs & methods
Psychology Lab Mirror, Mirror: Appearance Anxiety and How You Feel Right Now
Activity Description Students complete the Appearance Anxiety Inventory (AAI) and the State Self-Esteem Scale (SSES), then pool paired scores from 9 classmates to calculate a Pearson r. The lab examines whether people more anxious about how they look tend to feel worse about themselves in the moment. Students explain the mechanism by which preoccupation with appearance flaws reduces current self-worth — including self-objectification, social comparison, and negative body evaluation — and evalu
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab High on Yourself, High on Life? Self-Esteem and Optimism
Activity Description In this peer data collection lab, students complete the Rosenberg Self-Esteem Scale and the Life Orientation Test–Revised (LOT-R) Optimism scale, then pool paired scores from 9 classmates to calculate a Pearson r correlation. The lab investigates whether people who feel better about themselves also tend to expect better outcomes from the future. Students interpret the strength and direction of their r-value in everyday language, explain the psychological mechanism linking
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab Juniors vs. Seniors: Whose Stress Symptoms Are Worse? A DASS Lab
Students complete the DASS-21 and record only their Stress subscale score, then collect scores from junior and senior classmates to run an independent samples t-test. This lab uses a symptom-based stress measure (physical and behavioral stress indicators over the past week) as distinct from perceived stress, capturing tension, agitation, and difficulty relaxing. Students speculate on whether juniors — facing college application deadlines — or seniors — navigating transition and leaving anxiety —
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab Current Self-Esteem — Tied to Good Feelings or Low Anxiety?
Positive Affect subscale as their Y variable, and the GAD-7 Anxiety scale as their Z variable. After collecting scores from nine classmates, students run two Pearson r correlations — State Self-Esteem vs. Positive Affect and State Self-Esteem vs. Anxiety — expecting a positive relationship with positive affect and a negative relationship with anxiety. Students compare the strength of both correlations and evaluate a claim by Dr. Cornelius Dumpling about whether state self-esteem is simply a meas
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
The Complete Map of Inference Tests | AP Stats | All 10 Tests + Study Guide
Every AP Statistics inference test. One coherent framework. Built and field-tested in a real classroom. This is not a collection of formula sheets. It is a complete instructional arc — from the conceptual foundation of what inference actually is, through test selection, conditions, calculation, decision-making, and conclusion — organized around the 8-Step Statistician's Core Loop so students understand the architecture, not just the procedures. ────────────────────────────────────── CURRICULUM A
11th - 12th, Higher Education
Math Test Prep, Statistics
Psychology Lab Trait Anxiety: High Standards or Feeling Out of Control?
Students complete the Taylor Manifest Anxiety Scale TMAS (X), the SAPS Perfectionism Discrepancy subscale (Y), and the Rotter Locus of Control scale (Z, higher = more external), then collect all three scores from 9 classmates and run two correlations: Manifest Anxiety vs. Perfectionism and Manifest Anxiety vs. Locus of Control. The lab examines whether trait anxiety is more strongly rooted in internal self-critical standards (perfectionism) or in attributional beliefs about control over outcomes
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab Do Juniors or Seniors Show More Trait Anxiety? A t-Test Lab
Activity Description: Students complete the Taylor Manifest Anxiety Scale (TMAS), a validated self-report measure of trait anxiety, and record their total score as their individual data point. After pooling scores with classmates, students separate data by grade level and enter junior and senior scores into an independent samples t-test calculator at socscistatistics.com to determine whether the group difference is statistically significant. Students compare group averages, interpret t-values an
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab Self-Esteem — Tied More to Body Image or Social Fear?
Students complete the Rosenberg Self-Esteem Scale as their X variable, the Body Esteem Scale (BES) as their Y variable, and the Social Phobia Inventory (SPIN) as their Z variable. After collecting scores from nine classmates, students run two Pearson r correlations — Self-Esteem vs. Body Esteem and Self-Esteem vs. Social Anxiety — expecting both a positive and a negative relationship respectively. Students compare the strength of the two correlations, explain the psychological distinction betwee
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
Psychology Lab Does Vocabulary Predict Curiosity or Intellect? A 3-Scale
Students complete three validated scales: the Vocabulary IQ Test (VIQT) as their X variable, the RIASEC Investigative Interests scale as their Y variable, and the Need for Cognition Scale (NCS-6) as their Z variable. After collecting scores from nine classmates, students run two Pearson r correlations — Vocabulary vs. Investigative Interests and Vocabulary vs. Need for Cognition — using socscistatistics.com. Students compare the strength and direction of both correlations, explain the psychologi
8th - 12th, Adult Education, Higher Education
Health, Psychology, Statistics
T-Tests Complete Collection | AP Stats | Slides + Capstone + Reference
The complete Dovetail Press t-test collection for AP Statistics. 28-slide deck, 4 guided worksheets with answer keys, 8-problem capstone assessment with answer key, and 2-page reference sheet. One consistent reasoning framework across every resource. THIS COLLECTION INCLUDES: Instructional Slide Deck (28 slides, PDF)• Full instructional sequence for all 4 t-tests • Decision flowchart, TI-84 steps, Core Loop framework 4 Guided Practice Worksheets + 4 Answer Keys (PDF)• Hand calculation + TI-
11th - 12th, Higher Education
Statistics
AP® Statistics - Full Course Curriculum
This resource includes one powerpoint-style lesson (example is in the preview) per section, one worksheet set with full solutions per section, one reference sheet for each unit (9 total), and one unit test for each unit (9 total). There are also 3 mock exams with grading guides and full solutions included! Unit 1: Exploring One-Variable Data1.1 — Types of Variables & Categorical vs Quantitative 1.2 — Displaying Quantitative Data: Dotplots & Stemplots 1.3 — Displaying Quantitative Data: Histogra
12th, Higher Education
Statistics
Psychology Lab Bundle: Three-Scale Correlation 2 - 40 Comparative Pearson r
Three-Scale Correlation Psychology Lab Bundle Part 2: 40 Comparative Pearson r Activities Description Does introversion predict loneliness or shyness more strongly? Does covert or overt narcissism better predict relationship dominance? This second bundle of 40 three-scale correlation labs continues the format established in Part 1 — each lab anchors one psychological construct (X) and correlates it separately with two comparison constructs (Y and Z), requiring students to run two Pearson r value
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
Men vs. Women Psychology Lab Bundle: 40 Data-Driven Gender Comparison Activities
Men vs. Women Psychology Lab Bundle: 40 Data-Driven Gender Comparison ActivitiesDo men really score higher in aggression? Are women truly more empathetic? This bundle puts those assumptions to the test. Each of the 40 labs in this collection follows an identical, classroom-tested structure: students complete a validated psychological scale, collect peer data separated by gender, calculate group averages, run an independent-samples t-test, and then critically evaluate a bold (and often wrong) cla
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
Juniors vs. Seniors Psychology Lab Bundle: 40 Data-Driven Grade-Level Comparison
Juniors vs. Seniors Psychology Lab Bundle: 40 Data-Driven Grade-Level Comparison ActivitiesDo Juniors really score higher in aggression? Are Seniors truly more empathetic? This bundle puts those assumptions to the test. Each of the 40 labs in this collection follows an identical, classroom-tested structure: students complete a validated psychological scale, collect peer data separated by grade level, calculate group averages, run an independent-samples t-test, and then critically evaluate a bold
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
Psychology Lab Bundle Correlation Labs: 39 Paired-Scale Data Activities
Correlation Psychology Lab Bundle: 39 Paired-Scale Data Activities Description What does self-esteem have to do with optimism? Does grit predict less procrastination? Can humor fight loneliness? This bundle of 40 classroom labs puts real psychological questions in students' hands using the Pearson r correlation coefficient. Each lab pairs two validated psychological scales drawn from published research, has students complete both instruments, collect peer data from classmates, calculate a Pearso
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
Juniors/Seniors Psychology Lab Bundle 2: 40 Data-Driven Grade-Level Comparison
Juniors vs. Seniors Psychology Lab Bundle 2: 41 Data-Driven t-Test ActivitiesDescription Does junior year really hit harder than senior year? Are seniors more empathetic, more anxious, or simply more burned out? This bundle of 41 labs turns those questions into classroom data. Each lab follows an identical, classroom-proven structure: students complete a validated psychological scale, collect peer data separated by class year (junior vs. senior), calculate group averages, run an independent-sam
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
Psychology Lab Bundle: Three-Scale Correlation 1 - 40 Comparative Pearson r
Three-Scale Correlation Psychology Lab Bundle: 40 Comparative Pearson r Activities Description Which matters more for predicting anxiety — poor sleep or procrastination? Does self-esteem connect more strongly to optimism about the future or satisfaction with the present? This bundle of 40 labs elevates the standard correlation activity by having students run two Pearson r correlations per lab instead of one. Each lab uses three validated psychological scales: one anchor construct (X) is correlat
9th - 12th, Adult Education, Higher Education
Psychology, Statistics
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