Quiz 3

Question 1

Validity is best understood as:
A) the ability of the test to measure consistency across time and cultures
B) the extent to which the test measures what it claims to measure
C) the degree to which a test’s measurements are free of errors

Answer 1

B) the extent to which the test measures what it claims to measure

Question 2

After taking an exam in Dr. Beck’s psychology course, a student makes this comment: “All the questions on the test came from Chapter 3, but the professor the exam was over material in chapters one through six! What a waste of time!” The student’s criticism of the professor’s exam is most obviously related to __________ evidence of validity.
A) construct related
B) concurrent criterion-related
C) content-related

Answer 2

C) content related

Question 3

The construct validity of a useful test:
A) has to be .70 to be considered “strong”
B) has to be .90 to make decisions about someone’s life
C) cannot be measured with a single statistic

Answer 3

C) cannot be measured without a single statistic

Question 4

A measure can be ______ yet not ______.

Answer 4

Reliable, valid

Question 5

Two types of criterion-related validity are:
A) content and construct validity
B) concurrent and predictive validity
C) concurrent and face validity

Answer 5

B) concurrent and predictive validity

Question 6

A battery of tests for diagnosis of autism used three different assessment instruments which all supported a diagnosis for an autism-spectrum disorder.
A) face validity
B) content validity
C) discriminate validity
D) convergent validity

Answer 6

D) convergent validity

Question 7

Which of the following is suggested for measuring content validity?
A) examine content very closely and be sure it is accurate sample of what you want to test
B) correlate items with a similar test given at a different time
C) correlate items with a similar test given at the same time

Answer 7

A) examine content very closely and be sure it is accurate sample of what you want to test

Question 8

A researcher developing a new instrument to measure shyness administered a test measuring extroversion to the same standardization group. The results indicated a trend for negative correlations. What type of validity was the researcher demonstrating?
A) predictive validity
B) convergent validity
C) discriminant validity
D) descriptive validity

Answer 8

C) discriminant validity

Question 9

Which of the following was not one of the conditions of a good criterion?
A) one that avoids restriction of range problems
B) avoids criterion contamination
C) use of expert raters

Answer 9

C) use of expert raters

Question 10

which percentile is equivalent to the first quartile Q1?
A 25th 
B) 50th
C) 75th
D) 100th

Answer 10

A) 25th

Question 11

Which standard score has a mean of 0 and a standard deviation of 1? 
A) T-score
B) Z-score
C) mean
D) mode

Answer 11

B) Z-score

Question 12

Which is an advantage of the T-score over the Z-score?
A) small numbers make it easier to interpret
B) it eliminates negative numbers
C) Using decimals makes it more precise
D) none of the above

Answer 12

B) it eliminates negative numbers

Question 13

What is the mean of a Z-score?

Answer 13

0