Question

A charitable nonprofit organization wants to test two methods of fundraising. From a list of 1,000 past donors, half will be sent literature about the successful activities of the charity and asked to make another donation. The other 500 donors will be contacted by phone and asked to make another donation. The percentage of people from each group will be compared. (Select all that apply.)
A) After the donation collection period, calculate the average or total amount collected from the 500 donors in the treatment group.
B) After the donation collection period, compare the average or total amount collected from each of the two treatment groups.
C) A placebo is not being used.
D) Randomly select 100 donors to receive the literature and 900 donors to receive the phone call.
E) A placebo is being used for the remaining 900 donors.
F) Randomly select 500 donors to receive the literature and 500 donors to receive the phone call.

Answer 1

Answer:

The correct selections are:

B) After the donation collection period, compare the average or total amount collected from each of the two treatment groups.

C) A placebo is not being used

F) Randomly select 500 donors to receive the literature and 500 donors to receive the phone call.

Step-by-step explanation:

What this question requires from you, is to identify the correct characteristics of the study described. Let us explain why each of the selections was made.

B) After the donation collection period, compare the average or total amount collected from each of the two treatment groups: The purpose of the study is to determine the difference in the effectiveness of two methods of fundraising. Therefore at the end of the study, the average total amount raised from each group will be compared to determine which was more effective.

C) A placebo is not being used: Placebos are sham treatments used in a control group without their knowledge. The placebos do not produce any effect similar to the results anticipated the actual treatment. Here, no group is given sham treatment, there is no "control" group given placebos hence placebos are not used.

F) Randomly select 500 donors to receive the literature and 500 donors to receive the phone call: To remove any form of bias in the study, the selection of the groups is done at random, and the number of participants in each group is the same, so as to maintain uniformity during the comparison.

Answer 2

The right statement selection will be of these are:

A) After the donation collection period, compare the average or total amount collected from each of the two treatment groups.

C) A placebo is not being used.

F) Randomly select 500 donors to receive the literature and 500 donors to receive the phone call.

Use a random number generator to choose from a list of $1000$ past donors, half will be i.e.,$=\frac{1000}{2} =500$ will be sent literature, and the other 500 donors will be contacted by phone.

And the percentage of people from each group will be compared i.e. we make the total amount from each of the two treatment groups.

In this case, Placebo is not used.

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