________ Act on the Nervous System to Alter States of Consciousness

question 37

Multiple Choice

________ act on the nervous system to alter states of consciousness, modify perceptions, and change moods.

• A) Antiemetics
• B) Biofeedback therapies
• C) Antihypertensives
• D) Psychoactive drugs

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Definitions:

Spearman's Rank-Correlation

A nonparametric measure of rank correlation that assesses the strength and direction of association between two ranked variables.

Correlation Coefficient

A measure that determines the degree to which two variables' movements are associated, ranging from -1 to 1.

Friedman Test

A non-parametric test used to detect differences in treatments across multiple test attempts.

Randomized Block Experiment

An experimental design that groups subjects into blocks based on certain intrinsic characteristics before randomly assigning treatments within each block to account for variability.