D265 UPDATED STUDY GUIDE REVIEW
2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
⩥ Percentile. Answer: Indicates the percent of the population that falls
below a certain value.
⩥ Standard Score. Answer: For a particular data point, represents the
distance from the mean in terms of standard deviations.
⩥ Analysis of Variance (ANOVA). Answer: Is used to determine if three
or more sample means are statistically not all equal
⩥ Norm-referenced test. Answer: Is a test that compares an individual to
other individuals on the bell-shaped curve.
⩥ Criterion-referenced test. Answer: Compares an individual to certain
defined standards.
⩥ Observed Score. Answer: Is the score actually achieved by an
individual on a test.
, ⩥ True Score. Answer: Is the average score an individual would achieve
if he or she were to take the test infinite times.
⩥ Random Measurement Error. Answer: Can eventually be eliminated
over time as the number of tests increases (according to Classic Test
Theory)
⩥ Systematic Measurement Error. Answer: Occurs when something that
is entirely unrelated to the test is affecting test scores
⩥ Item Response Theory. Answer: Takes into account that different
questions may have different levels of difficulty
⩥ Reliability Index. Answer: Measures how well a person's observed
score on a test represents that person's true score.
⩥ Test-retest Method. Answer: Applies when the same test is given to
the same sample on two different occasions.
⩥ Parallel-Forms Method. Answer: Applies when two versions of a test
are given at the same time to each of half of a sample of students.
⩥ Item analysis. Answer: Is the study of the results of each individual
question on a test.
2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
⩥ Percentile. Answer: Indicates the percent of the population that falls
below a certain value.
⩥ Standard Score. Answer: For a particular data point, represents the
distance from the mean in terms of standard deviations.
⩥ Analysis of Variance (ANOVA). Answer: Is used to determine if three
or more sample means are statistically not all equal
⩥ Norm-referenced test. Answer: Is a test that compares an individual to
other individuals on the bell-shaped curve.
⩥ Criterion-referenced test. Answer: Compares an individual to certain
defined standards.
⩥ Observed Score. Answer: Is the score actually achieved by an
individual on a test.
, ⩥ True Score. Answer: Is the average score an individual would achieve
if he or she were to take the test infinite times.
⩥ Random Measurement Error. Answer: Can eventually be eliminated
over time as the number of tests increases (according to Classic Test
Theory)
⩥ Systematic Measurement Error. Answer: Occurs when something that
is entirely unrelated to the test is affecting test scores
⩥ Item Response Theory. Answer: Takes into account that different
questions may have different levels of difficulty
⩥ Reliability Index. Answer: Measures how well a person's observed
score on a test represents that person's true score.
⩥ Test-retest Method. Answer: Applies when the same test is given to
the same sample on two different occasions.
⩥ Parallel-Forms Method. Answer: Applies when two versions of a test
are given at the same time to each of half of a sample of students.
⩥ Item analysis. Answer: Is the study of the results of each individual
question on a test.
