Psychometrics May BEST Be Defined as

question 90

Multiple Choice

Psychometrics may BEST be defined as

• A) the science of test development.
• B) the science of psychological measurement.
• C) the study and use of correlational techniques.
• D) the study of psychic phenomena.

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Definitions:

Margin of Error

A statistic expressing the amount of random sampling error in a survey's results, indicating the confidence in how closely the sample estimates reflect the population.

Sign Test

A nonparametric test used to determine if there is a significant difference between paired observations, by analyzing the signs of differences without assuming any particular distribution.

Median Score

The midpoint value in a set of scores, where half of the scores are above it and half are below, often used as a measure of central tendency.

Level of Significance

A threshold in hypothesis testing that determines whether the null hypothesis can be rejected, often denoted by alpha (α).