Answered: In which of the following cases would a…

Ciccarelli: Psychology_5 (5th Edition)

5th Edition

ISBN:9780134477961

Author:Saundra K. Ciccarelli, J. Noland White

Publisher:Saundra K. Ciccarelli, J. Noland White

Chapter1: The Science Of Psychology

Section: Chapter Questions

Problem 1TY

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Question

In which of the following cases would a large sample especially be needed?

a. A study of high school students
b. A study of first-time homeowners
c. A study of people who have been to the doctor in the past year
d. A study of teenagers whose parents are both deployed overseas in the military

The answer is D for the above question. Why?

In which of the following studies is self-report the best data collection option?

a. A study examining the intensity of pain during natural childbirth
b. A study examining the health of children born via natural childbirth
c. A study examining discussions about natural childbirth between mothers and doctors
d. A study examining the breathing styles used during natural childbirth

The answer is A for the above question. Why?

When you are interrogating the external validity of a sample, which is the most important question to ask?

a. How many people are in the sample?
b. How was the sample collected?
c. How were the participants measured?
d. How many people are in the population?

The answer is B for the above question. Why?

Dr. Cyril conducts a simple random sample of 500 men who became fathers for the first time in the past yfinds that 23% of them report being unsure of their ability to be good fathers, plus or minus 4%. What does this mean?

a. The true percentage of fathers who feel this way is 23%.
b. If this study was done many times, the estimate of father uncertainty would be 23% about 4% of the time.
c. We can be 4% sure that the estimate of father uncertainty would be 23% of fathers.
d. If the study was done many times, the estimate of father uncertainty would be between 19% and 27%.

The answer is D for the above question. Why?

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