NCED Evaluation Techniques 2 — Questions and Answers
Question 1: Which statistical concept describes the degree to which a test measures what it is intended to measure?
- Reliability
- Validity (Correct answer)
- Standard error of measurement
- Norm referencing
Correct answer: Validity
Validity refers to the extent to which a test actually measures the construct or skill it purports to measure.
Question 2: A student scores at the 60th percentile on a reading assessment. This means the student performed better than:
- 60% of students in the norm group (Correct answer)
- 40% of students in the norm group
- 60% of items on the test
- 40% of items on the test
Correct answer: 60% of students in the norm group
A percentile rank of 60 indicates the student scored higher than 60% of the students in the standardization sample.
Question 3: Which type of assessment validity is established by comparing test scores to a well-accepted external measure of the same construct?
- Content validity
- Construct validity
- Criterion-related validity (Correct answer)
- Face validity
Correct answer: Criterion-related validity
Criterion-related validity is demonstrated by correlating test scores with an external criterion known to reflect the construct.
Question 4: When interpreting a cognitive assessment, an educational diagnostician notices a significant discrepancy between verbal and nonverbal scores. The FIRST step should be to:
- Diagnose a learning disability based on the discrepancy
- Consider cultural and linguistic factors that may explain the difference (Correct answer)
- Re-administer only the lower scale
- Disregard the discrepancy as measurement error
Correct answer: Consider cultural and linguistic factors that may explain the difference
Before drawing diagnostic conclusions from score discrepancies, the evaluator must consider cultural, linguistic, and background factors that could influence performance.
Question 5: The WISC-V uses which score as its primary index of general intellectual ability?
- Full Scale IQ (FSIQ) (Correct answer)
- General Ability Index (GAI)
- Cognitive Proficiency Index (CPI)
- Fluid Reasoning Index (FRI)
Correct answer: Full Scale IQ (FSIQ)
The Full Scale IQ (FSIQ) is the primary composite score on the WISC-V representing overall intellectual functioning.
Question 6: A curriculum-based measurement (CBM) probe is administered weekly to monitor a student's reading fluency. This practice is BEST described as:
- Summative assessment
- Diagnostic assessment
- Progress monitoring (Correct answer)
- Norm-referenced evaluation
Correct answer: Progress monitoring
Weekly CBM probes are used as progress monitoring tools to track student growth over time in response to instruction.
Question 7: Which of the following BEST describes a floor effect in psychological testing?
- A test that is too difficult for higher-functioning students
- A test that lacks sufficient easy items to differentiate among low-performing students (Correct answer)
- A test with an abnormally high standard deviation
- A ceiling placed on the maximum achievable score
Correct answer: A test that lacks sufficient easy items to differentiate among low-performing students
A floor effect occurs when a test does not have enough easy items to discriminate among students who score at the very low end.
NCED Evaluation Techniques 2
Which statistical concept describes the degree to which a test measures what it is intended to measure?