Which WAIS-IV subtest asks questions such as, What should you do if you see an injured person lying in the street?
a. information
b. comprehension
c. similarities
d. picture arrangement
In order to determine the unidimensionality of a test, you can use
a. factor analysis.
b. split half reliability.
c. parallel forms assessment.
d. the Spearman-Brown prophecy formula.
The digit span subtest of the WAIS-IV measures
a. alertness to details.
b. nonverbal reasoning.
c. visual-motor functioning.
d. anxiety.
Correction for attenuation is used
a. to estimate the validity of a test.
b. to correct for tests that are short.
c. to correct for tests that are long.
d. to estimate the true correlation between variables that have been measured with error.
The similarities subtest of the WAIS-IV measures
a. abstract thinking.
b. planning ability.
c. common sense or judgment.
d. anxiety.
Which of the following is used to estimate the number of items that should be added to a test to achieve a specified reliability?
a. KR 20
b. coefficient alpha
c. Spearman-Brown prophecy formula
d. split-half technique
The arithmetic subtest of the WAIS-IV measures
a. concentration.
b. alertness to details.
c. planning ability.
d. common sense or judgment.
Which of the following is a source of measurement error?
a. respondent sampling
b. scorer sampling
c. internal consistency
d. external consistency
The comprehension subtest of the WAIS-IV measures
a. abstract thinking.
b. analysis of part whole relationships.
c. anxiety.
d. common sense or judgment.
The preferred method for assessing the level of agreement between observers is the
a. kappa statistic
b. Spearman coefficient
c. coefficient alpha
d. rank-order statistic
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