CBT Adaptive Testing and Computer Adaptive Testing (CAT) 2

Question 1

The ability estimate (theta) in a CAT is updated after each item response using:

Accepted Answer

Maximum Likelihood Estimation (MLE) or Bayesian estimation

Answer

Raw score averaging

Answer

Percentile rank conversion

Answer

Standard score equating

Question 2

Shadow testing in CAT refers to:

Accepted Answer

Constructing a complete ghost test that satisfies all constraints before selecting the next item

Answer

Administering duplicate items to detect cheating

Answer

Logging item responses for post-test review

Answer

Delivering a practice test before the operational CAT

Question 3

A CAT that uses a three-parameter logistic (3PL) IRT model accounts for which additional parameter compared to the 1PL (Rasch) model?

Accepted Answer

Item discrimination and guessing (pseudo-chance)

Answer

Item discrimination only

Answer

Item time limit and word count

Answer

Partial credit scoring

Question 4

Early termination rules in mastery-based CAT (e.g., licensure tests) are triggered when:

Accepted Answer

The algorithm is sufficiently confident the examinee is above or below the passing standard

Answer

The examinee's time limit is reached

Answer

The item bank is exhausted

Answer

The examinee requests to end the test

Question 5

Which of the following best describes item parameter drift in the context of CAT?

Accepted Answer

A change in an item's statistical properties over time due to repeated exposure or population shifts

Answer

Changes in examinee motivation across administrations

Answer

The gradual increase in item bank size

Answer

Variation in item difficulty caused by translation

Question 6

A CAT item bank is considered adequate when it:

Accepted Answer

Has sufficient items across the ability continuum with controlled exposure rates to support reliable adaptive administration

Answer

Contains exactly 100 items per content area

Answer

Includes only dichotomously scored items

Answer

Is updated no more than once per year

Question 7

In CAT, the concept of 'theta initialization' refers to:

Accepted Answer

Choosing the starting ability estimate for the first item selection

Answer

Setting the passing score before the test begins

Answer

Calibrating item parameters prior to operational use

Answer

Fixing the test length before administration