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In: Statistics and Probability

In the following examples, indicate whether you would perform a t-test of independent means or dependent...

In the following examples, indicate whether you would perform a t-test of independent means or dependent means.

a. Two groups were exposed to different levels of treatment for ankle sprains. Which treatment was more effective?

b. A researcher in nursing wanted to know whether patients who received additional in-home care recovered more quickly than others who received the standard amount of in-home care.

c. A group of adolescent boys was offered interpersonal skills counseling and then tested in September and May to see if there was any impact on family harmony.

d. One group of adult men was given instructions for reducing their high blood pressure whereas another group was not given any instructions, and the blood pressure of men in both groups was measured before and after.

e. One group of men was' provided access to an exercise program and tested two times over a 6-month period for heart health.

Expert Solution

Answer:-

Given That:-

In the following examples, indicate whether you would perform a t-test of independent means or dependent means.

a. Two groups were exposed to different levels of treatment for ankle sprains. Which treatment was more effective?

Two groups were exposed to different levels of treatment for ankle sprains.

Two groups are independent on each other, so we perform t-test of independent means.

b. A researcher in nursing wanted to know whether patients who received additional in-home care recovered more quickly than others who received the standard amount of in-home care.

A researcher in nursing wanted to know if the recovery of patients was quicker when some received additional in-home care whereas others received the standard amount.

One group received the additional in-home case and the others received the standard, so we perform t-test of independent means.

c. A group of adolescent boys was offered interpersonal skills counseling and then tested in September and May to see if there was any impact on family harmony.

A group of adolescent boys was offered interpersonal skills counseling and then tested in September and May to see if there was any impact on family harmony.

Here the group of adolescent boys are tested in two different months, so we perform a t-test for dependent means.

d. One group of adult men was given instructions for reducing their high blood pressure whereas another group was not given any instructions, and the blood pressure of men in both groups was measured before and after.

One group of adult men was given instructions in reducing their high blood pressure whereas another was not given any instructions.

Two groups are independent of each other, so we perform a t-test for independent means.

e. One group of men was' provided access to an exercise program and tested two times over a 6-month period for heart health.

One group of men was provided access to an exercise program and tested two times over a 6-month period for heart health.

Two groups are dependent on each other, so we perform a t-test for dependent means.

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orchestra answered 2 years ago

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