A One-Tailed Sign Test Is Used to Test for Differences

question 42

Multiple Choice

A one-tailed sign test is used to test for differences between two populations at the 0.10 level of significance. There were 9 pluses and 5 minuses. What is the decision regarding the null hypothesis?

• A) Fail to reject the null hypothesis.
• B) Reject the null hypothesis.
• C) Neither reject nor fail to reject the null hypothesis.
• D) Should have used a paired t-test.

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Definitions:

Ethical Decisions

Choices made based on moral principles and values, often reflecting considerations of what is right and fair.

Escalation of Commitment

A psychological pattern where individuals or groups continue to invest in a decision despite facing increasingly negative outcomes or feedback.

Perceptual Biases

Cognitive biases that influence how we perceive and interpret information about people, objects, or events, often leading to distorted judgments.

Implicit Favorite

An unconscious bias or preference for a particular option or choice, not openly expressed or acknowledged.