DrJohnson Is Studying the Effects of Aspirin on Heart Rate

question 71

Multiple Choice

Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4) the control group received a placebo (n=4) and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test.
What is the t-value for the data above?

• A)4.20
• B)4.19
• C)3.91
• D)None of these

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Definitions:

Depression

A mental health disorder that is marked by persistent feelings of sadness, apathy, and loss of interest, significantly affecting daily functioning.

Mood Disorders

A category of psychiatric disorders characterized by the disturbance of a person's mood, leading to periods of depression or elevated mood.

Imagined Loss

Freudian theory that the individual unconsciously interprets all types of loss events (e.g., job loss) in terms of grief, thereby raising the risk for depression.