Stimulant Drugs Have All of the Following Effects EXCEPT

question 130

Multiple Choice

Stimulant drugs have all of the following effects EXCEPT:

• A) increased heart rate and blood pressure
• B) improved mood
• C) increased sleep
• D) increased mental concentration at low doses

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Definitions:

Null Hypothesis

A statistical proposition that presumes the absence of a significant discrepancy or impact among specific attributes of a population or data set.

Research Hypothesis

A statement predicting a significant relationship or effect between variables, tested against the null hypothesis.

Null Hypothesis

A statement of no effect or no difference, which researchers aim to test against the alternative hypothesis.

Statistical Significance

Statistical significance indicates the likelihood that a result from data collected and analyzed in a study is not due to chance, typically measured by a p-value.