EDITION 2026 TEST BANK WITH FULL
ANSWERS AND COMPLETE SOLUTIONS
CHAPTERS 1-20
◉ Who has developed a taxonomy for the psychomotor domain
Answer: Krathwohl
◉ Which distribution is the most homogeneous given the following:
(1) mean = 100 and variance = 25; (2) mean = 120 and variance =
36; (3) mean = 90 and variance = 49. Answer: *a. (1)
◉ The level of measurement that, at best, can rank subjects is
Answer: ordinal
◉ What is the appropriate procedure for weighting the score on the
final examination to count twice as much as the midterm
examination score? Answer: Double the T score for the final and add
this to the T score for the midterm.
◉ what happens to the mean and the standard deviation of a set of
scores if each score is increased by 10? Answer: The mean changes
and the standard deviation stays the same.
,◉ Assume that a teacher wants to grade on the curve. The average
grade will be a C. She will give 10% of the class an A and 10% an F.
What is the T-score cutoff to pass the test (i.e., earn a grade of D or
better)? Round to the nearest whole number. (Hint: Find the z score
from the table of normal-curve areas.) Answer: 37
◉ Reaction-time tests are what level of measurement? Answer: ratio
◉ On a knowledge test, a score of 10 is at the 40th percentile. What
does this indicate Answer: 40 percent of the test scores were at or
below 10
◉ what percent of the cases would you find in a distribution
between the median and P75? Answer: 25%
◉ The standard deviation is an indication of Answer: the variability
of a set of test scores around the mean
◉ The most stable measure of central tendency with interval data is
the Answer: mean
◉ The best reason for using T scores with three skill items on a
basketball test is to Answer: add scores together
,◉ Three of the following four things have something in common.
Which does not belong with the other three?
a. mean
b. range
c. standard deviation
d. variance Answer: mean
◉ Which of the following scales contain an absolute zero point?
Answer: ratio
◉ You want to make the norms as easy as possible for students,
parents, administrators, and teachers to understand. How would you
report your results? Answer: raw scores and percentiles
◉ Consider the following scores: 2, 3, 3, 4. What is the standard
deviation? Round to the nearest tenth. Answer: 7
◉ Using the scores 1, 3, 2, 1, 3, find (ΣX2)/2 + (ΣX)2 × 2 Answer: 212
◉ Kelly's T score was 60. What is her z score? Answer: 1.0
, ◉ Which of the following tests will carry the greatest weight if you
simply add the total number of correct items to obtain a total score
for the course grade?
a. items = 200; mean = 140; standard deviation = 10
b. items = 200; mean = 130; standard deviation = 20
c. items = 200; mean = 150; standard deviation = 30
d. items = 200; mean = 120; standard deviation = 40 Answer: items =
200; mean = 120; standard deviation = 40
◉ Who did best relative to his or her classmates? That is, who had
the highest percentile?
a. Timmy, whose percentile was 97% on a fitness test
b. Jessica, who scored 45 correct on a test with 50 questions
c. Shawn, whose z score was 0 on a written health test
d. Allison, whose T score was 75 on a soccer test
e. unable to determine from data given Answer: e. unable to
determine from data given
◉ The average number of points scored by NBA teams last year was
100 per game. The standard deviation was 30 points. Ninety-five
percent of the games had NBA teams scoring fewer than how many
points? Round to the closest whole number. Answer: 150