Which of the Following Statements Is FALSE

question 199

Multiple Choice

Which of the following statements is FALSE?

• A) Psychoactive drugs produce their effects primarily by acting on brain neurotransmitters.
• B) Cocaine blocks the brain's reuptake of dopamine and norepinephrine.
• C) There is no evidence that light use of alcohol can damage the brain enough to affect cognitive functioning.
• D) Former users of ecstasy who had abstained for at least a year did not have long-term effects of the drug on memory tests when compared to nonusers.

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Definitions:

F Ratio

A statistic used in ANOVA tests to compare variance across groups, assessing if the differences between means are significant.

Null Hypothesis

The assumption in statistics that indicates no effect or no difference is expected in the test.

Critical Values

Points on the scale of the test statistic beyond which we reject the null hypothesis, depending on the chosen significance level.

F-ratio

A statistic used in ANOVA (Analysis of Variance) that compares the variation between group means to the variation within groups, evaluating whether group means are significantly different.