Assume That a Hypothesis Test of the Given Claim Will

question 73

Multiple Choice

Assume that a hypothesis test of the given claim will be conducted. Identify the type I or type II error for the test.
-A psychologist claims that more than 3% of adults suffer from extreme shyness. Identify the type II error for the test.

• A) Fail to reject the claim that the percentage of adults who suffer from extreme shyness is equal to 3% when that percentage is actually greater than 3%.
• B) Reject the claim that the percentage of adults who suffer from extreme shyness is equal to 3% when that percentage is actually 3%.
• C) Reject the claim that the percentage of adults who suffer from extreme shyness is equal to 3% when that percentage is actually greater than 3%.
• D) Fail to reject the claim that the percentage of adults who suffer from extreme shyness is equal to 3% when that percentage is actually less than 3%.

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Definitions:

Dependent Variable

Refers to the variable in an experiment that is expected to change as a result of variations in the independent variable.

Independent Variable

In an experiment, the variable that is changed or controlled to test its effects on the dependent variable.

Control Variable

A variable that is kept constant during a research experiment to ensure that the effect of the independent variable can be measured without interference.

Demand Characteristics

Subtle cues or signals in an experimental setting that influence participants' behaviors or responses, potentially affecting the study's validity.