BMAT Assessment MCQ 3

Question 1

A researcher uses a Likert scale from 1 to 5. Which level of measurement does this represent?

Accepted Answer

Ordinal

Answer

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?

Accepted Answer

Hawthorne effect

Answer

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:

Accepted Answer

Easy

Answer

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'?

Accepted Answer

The test measures the theoretical trait it claims to measure

Answer

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:

Accepted Answer

1.5 standard deviations below the group mean

Answer

A z-score expresses how many standard deviations a score is from the mean; -1.5 is 1.5 SDs below.

BMAT - Assessment Practice Test