Questions and CORRECT Answers
Standardized and informal/descriptive measures need to have: - Correct Answer- - reliability
- validity
What is validity? - Correct Answer- Degree the procedure actually measures what it purports
to measure
What is reliability? - Correct Answer- What is measured is done the same way over and over
- when done over & over, you get the same results
Types of tests - Correct Answer- - Standardized
- norm-referenced/normative based
- criterion referenced
What makes a test standardized? - Correct Answer- Certain procedures
- do what the instructions say with no variation
- use materials, time frame, cues in the test
What is the purpose of a standardized test? - Correct Answer- Determine how individual fits
into typical population based on:
- age
- gender
- culture
Normative based test tells you: - Correct Answer- Where the performance falls within the
reference group
What is considered "normal limits" in a norm-referenced test? - Correct Answer- + or - 1 SD
from the mean
75% of population fits in between here
, Most school settings require the child to be _____ SD from the mean for eligibility - Correct
Answer- 1.5 to 2.0 SD
Greater than 2 SD from mean is what percent of population? - Correct Answer- 5%
1.5 SD from the mean is the same as: - Correct Answer- - 7th percentile
- Within first stanine
Criterion-referenced tests purpose: - Correct Answer- Distinguish different levels of
performance standard
- can use raw score
Types of validity - Correct Answer- - construct validity
- content validity
- criterion-related validity
Construct validity - Correct Answer- - degree to which test measures the theoretical construct
it is intended to measure
What does construct validity rely on? - Correct Answer- indirect evidence and inference
Content validity - Correct Answer- Careful examination of content of a test
- requires clear definition of what content should be
What are the three factors of content validity? - Correct Answer- - appropriateness of types of
items
- completeness of item sample
- way in which items assess the content
What are the types of criterion-related validity? - Correct Answer- - concurrent
- predictive