The Brain, Body, and Behaviour Dataset

Stimuli-Based Quiz

Stimuli Quiz:

The questions across stimuli varied based on the content and objectives of each video. Participants were exposed to a range of question types designed to evaluate understanding, engagement, and the ability to infer and apply knowledge. Below is an overview of the structure:

• Stimulus-Specific Focus: Each video prompted questions specific to the concepts covered in the video.


• Question Types:
  • Domain Questions (Pre-Video Watching): These questions were asked before watching the video to assess participants' prior knowledge.
  • Memory Questions (Post-Video Watching): These questions were asked after viewing the video, evaluating participants' understanding and ability to recall new knowledge gained from the video.

For every stimulus, we presented 10-11 questions per question type. Find these quizzes in the experiments section of this website!

Note: Due to the nature of the experiment design, not all stimuli quizzes have domain questions. However, there are memory questions for every stimulus' quiz.

Each question set was designed to align with the video's primary learning objectives, ensuring relevance and depth in assessing participants' understanding.

Engagement Questions:

To better understand user interaction and engagement, we included a series of reflective questions. These questions were designed to gather insights into the viewers' familiarity with the content, their learning experience, and the perceived difficulty of the tasks.

Response Options

Participants were asked to share their level of agreement using a 7-point Likert scale:

• Strongly Disagree
• Somewhat Disagree
• Disagree
• Neutral
• Agree
• Somewhat Agree
• Strongly Agree

Purpose

The engagement questions provide valuable feedback on:

• The relevance and clarity of the content presented in the videos.
• Participants' prior familiarity with the subject matter.
• The educational impact and perceived challenge of the tasks.

ASRS

ASRS: Adult ADHD Self-Report Scale

The Adult ADHD Self-Report Scale (ASRS) is a widely used tool for assessing ADHD symptoms in adults. This questionnaire, included in our dataset, is designed to evaluate the frequency and severity of behaviors and challenges commonly associated with ADHD. Below, we provide a detailed explanation of its structure, response options, scoring methods, and interpretation guidelines.

Questionnaire Structure

The ASRS consists of 18 questions addressing two key dimensions of ADHD:

• Inattention: Questions focus on difficulties such as concentrating, forgetfulness, and disorganization.
• Hyperactivity: Questions assess behaviors like restlessness, impulsivity, and excessive activity.

Each question prompts participants to reflect on how often they experience specific challenges in their daily lives.

Response Options

Participants respond to each question using the following scale:

• Never
• Rarely
• Sometimes
• Often
• Very Often

Scoring Methods

The ASRS offers multiple scoring approaches:

• Dichotomous Scoring: Responses are categorized as "0" (no symptoms) or "1" (presence of symptoms).
  • Screener Score: Based on the first six items. A score of 4 or more indicates high ADHD risk.
  • Full Scale Score: Evaluates all 18 questions for a broader assessment.
• Likert Scoring: Responses are assigned numerical values (Never = 0, Rarely = 1, Sometimes = 2, Often = 3, Very Often = 4).
  • Screener Score: Severity thresholds:
    • Low: 0–9
    • Mild to Moderate: 10–13
    • High: 14–17
    • Very High: 18–24
  • Full Scale Score: Severity thresholds:
    • Low: 0–30
    • Mild to Moderate: 31–39
    • High: 40–49
    • Very High: 50–72
• Subscores: These scores evaluate specific symptom domains:
  • Hyperactivity Subscore: High symptoms are indicated by a score of 18 or more.
  • Inattention Subscore: High symptoms are indicated by a score of 18 or more.

Interpretation Guidelines

Screener Scores: Offer a quick and reliable method to identify individuals at risk of ADHD.
Full Scale Scores: Provide a comprehensive assessment of symptom severity.
Subscores: Help differentiate between hyperactivity and inattention symptoms for a deeper understanding of specific challenges.

References

For more information about the ASRS and its scoring methods, please refer to:

• ASRS Screener Scoring Update
• ASRS Full Scale Documentation

DigitSpan (Working Memorry Assessment Task)

DigitSpan

The Digit Span Task is a widely recognized cognitive test used to measure working memory capacity. This task evaluates an individual's ability to recall sequences of numbers in reverse order, providing insights into memory retention and processing capabilities.

Scoring

The Digit Span Task includes two key scoring methods:

• Score:
  • This represents the maximum number of digits successfully recalled backwards during the task.
  • Scores range from 3 to 7, with higher scores indicating stronger working memory capacity.
• Weighted Score:
  • This score accounts for the difficulty levels and consistency of performance.
  • It assigns greater weight to sequences with longer digit spans, emphasizing sustained accuracy and cognitive effort.

Interpretation

The Digit Span Task results provide valuable insights into cognitive function. Higher scores reflect better working memory and attention control, while lower scores may indicate challenges in retaining and processing information.