Question

C. The rate of learning for the population of rats tested with colorful wallpaper will be no different than the population of rats tested under ordinary circumstances D. The rate of learning for the population of rats tested with colorful wallpaper will be faster Please write in the letter choice for your answer on the line provided to the left of the question -- tha nnnulation of rats tested under ordinary circumstances. Multiple Choice (22 questions * 2 points each = 44 possible points number The first three items are based on this hypothetical situation: A health psychologist is interested requires no equipment and therefore, can be done without cost. in the effectiveness of a new exercise on reducing the rate of heart attacks because the exercise 1. What is the research hypothesis? A. People will participate because it does not cost them any money. B. The exercise will make a difference in the rate of heart attacks. C. The exercise will reduce the rate of heart attacks. D. The exercise will increase the rate of heart attacks. 2. What is the null hypothesis? A. People will not participate because it does not cost them any money. B. The exercise will make no difference in the rate of heart attacks. C. The exercise will make no difference or will reduce the rate of heart attacks D. The exercise will make no difference or will increase the rate of heart attacks 3. What is the comparison distribution? A. the distribution of people who participate in the exercise program B. the distribution of people who do not participate in the exercise program C. the distribution of people who have heart attacks BS modo D. the distribution of people who do not have heart attacks 4. When a psychologist rejects the null hypothesis at the .05 level, this means... A. there is less than a 5% chance of getting such an extreme result if the n hypothesis is true. B. there is more than a 5% chance of getting such an extreme result if the hypothesis is true. C. there is a 5% chance that the research hypothesis is true. D. there is a 95% chance that the research hypothesis is true. 5. If the cutoff or critical Z score on the comparison distribution is 1.64 and score is 1.32 on the comparison distribution, the correct decision is to A. fail to reject the null hypothesis. ihn null hypothesis.

Answer 1

Que.1

The exercise will reduce the rate of heart attacks.

2.

The exercise will make no difference in the rate of heart attacks.

3.

The distribution of people who participate in the exercise program.

4.

There is 95% chance that the research hypothesis is true.

5.

Since value of test statistic is less than critical value,

We fail to reject null hypothesis.