BMAT Assessment MCQ 3 — Questions and Answers
Question 1: A researcher uses a Likert scale from 1 to 5. Which level of measurement does this represent?
- Nominal
- Ordinal (Correct answer)
- Interval
- Ratio
Correct answer: Ordinal
Likert scales produce ordinal data because the intervals between categories are not necessarily equal.
Question 2: Which of the following threats to internal validity involves participants changing their behavior because they know they are being studied?
- Selection bias
- Hawthorne effect (Correct answer)
- Regression to the mean
- Instrumentation effect
Correct answer: Hawthorne effect
The Hawthorne effect occurs when participants alter their behavior due to awareness of being observed.
Question 3: A test item with a difficulty index (p-value) of 0.90 is considered:
- Very difficult
- Moderately difficult
- Easy (Correct answer)
- Impossible to evaluate
Correct answer: Easy
A p-value of 0.90 means 90% of test takers answered correctly, indicating the item is easy.
Question 4: Which of the following best defines 'construct validity'?
- The test covers all relevant content areas
- The test predicts future performance
- The test measures the theoretical trait it claims to measure (Correct answer)
- The test produces stable scores over time
Correct answer: The test measures the theoretical trait it claims to measure
Construct validity refers to how well a test measures the underlying theoretical concept or trait it intends to assess.
Question 5: In norm-referenced testing, a z-score of -1.5 means a student performed:
- 1.5 points below the passing mark
- 1.5 standard deviations below the group mean (Correct answer)
- In the bottom 1.5% of test takers
- 15% below the top scorer
Correct answer: 1.5 standard deviations below the group mean
A z-score expresses how many standard deviations a score is from the mean; -1.5 is 1.5 SDs below.
Question 6: What is the primary purpose of a pilot study before launching a full assessment?
- To train test administrators
- To identify and revise problematic items before full deployment (Correct answer)
- To establish the national norm group
- To determine the final passing score
Correct answer: To identify and revise problematic items before full deployment
Pilot studies allow test developers to identify poorly performing or ambiguous items and revise them before large-scale use.
Question 7: Which type of assessment asks students to demonstrate competency by performing a real-world task?
- Selected-response assessment
- Authentic assessment (Correct answer)
- Diagnostic assessment
- Standardized norm-referenced test
Correct answer: Authentic assessment
Authentic assessment requires students to apply knowledge to meaningful, real-world tasks rather than answering traditional test items.
BMAT Assessment MCQ 3
A researcher uses a Likert scale from 1 to 5.
Which level of measurement does this represent?