A Researcher Evaluates a Treatment Effect Using a One-Tailed Hypothesis

question 65

Multiple Choice

A researcher evaluates a treatment effect using a one-tailed hypothesis test with  = .05,and the decision is to reject the null hypothesis.If the researcher switched to a two-tailed test using the same sample,what decision would be made?

• A)Definitely reject the null hypothesis with either  = .05 or with  = .01
• B)Definitely reject the null hypothesis with  = .05 and maybe reject with  = .01
• C)Might reject the null hypothesis with  = .05 but might not
• D)Definitely fail to reject the null hypothesis with either  = .05 or with  = .01

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Definitions:

Oral Temperature

The body temperature as measured by a thermometer placed in the mouth.

Thick, Green Nasal Discharge

A sign of a bacterial or viral infection, indicating the presence of pus or mucus in the nasal passages.

WBC

WBC stands for white blood cells, which are part of the immune system and help the body fight infection and other diseases.

Sprain

An injury to a ligament caused by overstretching or tearing.