PRAXIS Assessment 3 — Questions and Answers
Question 1: A test item is answered correctly by 95% of students. What does this high difficulty index suggest?
- The item is very hard
- The item is very easy (Correct answer)
- The item is unreliable
- The item is biased
Correct answer: The item is very easy
A high p-value (proportion correct) indicates the item is easy for most students.
Question 2: Which type of validity concerns whether a test adequately samples the full content domain it is meant to cover?
- Content validity (Correct answer)
- Predictive validity
- Concurrent validity
- Face validity
Correct answer: Content validity
Content validity addresses how well items represent the entire body of content.
Question 3: A teacher uses student self-assessment checklists during a project. What is a key benefit of this practice?
- It eliminates the need for teacher grading
- It promotes metacognition and student ownership of learning (Correct answer)
- It guarantees higher test scores
- It replaces summative assessment entirely
Correct answer: It promotes metacognition and student ownership of learning
Self-assessment builds metacognitive awareness and helps students take responsibility for their learning.
Question 4: What is item discrimination in test analysis?
- How well an item separates high and low performers (Correct answer)
- How biased an item is against a group
- How long an item takes to answer
- How many distractors an item has
Correct answer: How well an item separates high and low performers
Item discrimination measures how effectively an item distinguishes between high- and low-achieving students.
Question 5: A portfolio assessment is most useful for measuring which of the following?
- Speed of recall
- Growth and development over time (Correct answer)
- Single-moment factual knowledge
- Class ranking
Correct answer: Growth and development over time
Portfolios collect work over time, making them ideal for documenting student growth.
Question 6: Which scoring approach uses an analytic rubric?
- Awarding one overall impression score
- Scoring separate criteria such as organization, evidence, and mechanics individually (Correct answer)
- Marking only correct or incorrect
- Ranking essays from best to worst
Correct answer: Scoring separate criteria such as organization, evidence, and mechanics individually
Analytic rubrics break performance into distinct criteria each scored separately.
Question 7: What does 'assessment bias' most directly threaten?
- Reliability of scoring
- Fairness and validity for certain groups (Correct answer)
- Length of the test
- The grading scale
Correct answer: Fairness and validity for certain groups
Bias unfairly advantages or disadvantages groups, undermining fairness and validity.
PRAXIS Assessment 3
A test item is answered correctly by 95% of students.
What does this high difficulty index suggest?