One Technique in Psychological Experiments Is to Keep the Experimenter

question 39

Multiple Choice

One technique in psychological experiments is to keep the experimenter from knowing the research hypothesis or the experimental condition of the subjects currently being tested. This helps to prevent the problem of

• A) ceiling effects.
• B) carryover effects.
• C) placebo effects.
• D) experimenter effects.

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Definitions:

Repeated-Measures ANOVA

A type of ANOVA used when the same subjects are observed under different conditions or at different time points, allowing for the analysis of within-subject variability.

Test Statistic

A calculated value from sample data used to make decisions in hypothesis testing, determining how far an observed statistic deviates from what is expected.

Statistical Procedure

A method or technique used for collecting, analyzing, interpreting, and presenting data.

T Value

A statistic calculated in a T-test that determines the significance of the difference between two groups' means.