Which of the Following Is True About One-Tailed and Two-Tailed

question 43

Multiple Choice

Which of the following is true about one-tailed and two-tailed tests?

• A) For standard normal and t-distributions, which have a mean of zero, lower-tail critical values are negative and upper-tail critical values are positive.
• B) For an upper one-tailed test, if the test statistic is greater than the critical value, the decision would be to fail to reject the null hypothesis.
• C) For a lower one-tailed test, if the test statistic is less than the critical value, the decision would be to fail to reject the null hypothesis.
• D) For a two-tailed test, if the test statistic is either greater than the upper critical value or less than the lower critical value, the decision would be to fail to reject the null hypothesis.

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Definitions:

Behavior Modification

A therapeutic approach that seeks to change potentially self-destructive or unhealthy behaviors through reinforcement methods.

Abnormal Behavior

Actions, thoughts, or feelings that are considered atypical or significantly deviate from societal or cultural norms.

Maladaptive Traits

Characteristics or traits in an individual that are counterproductive and interfere with their ability to cope effectively with challenges.

Behavior Modification

A technique based on operant conditioning principles used to change or modify problematic behaviors by manipulating environmental factors and consequences.