Research Methods for the Behavioral Sciences (MindTap Course List)
6th Edition
ISBN: 9781337672023
Author: GRAVETTER
Publisher: Cengage
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Chapter 14, Problem 12E
To determine
The reasons why researchers might have ethical reservations about beginning the second baseline phase in and ABAB single case design
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In addition to the in-school milk supplement program, the nurse would like to increase the use of daily vitamin supplements for the children by visiting homes and educating about the merits of vitamins. She believes that currently, about 50% of families with school-age children give the children a daily megavitamin. She would like to increase this to 70%. She plans a two-group study, where one group serves as a control and the other group receives her visits. How many families should she expect to visit to have 80% power of detecting this difference? Assume that drop-out rate is 5%.
A recent survey of 400 americans asked whether or not parents do too much for their young adult children. The results of the survey are shown in the data file. a) Construct the frequency and relative frequency distributions. How many respondents felt that parents do too much for their adult children? What proportion of respondents felt that parents do too little for their adult children? b) Construct a pie chart. Summarize the findings
The average number of minutes Americans commute to work is 27.7 minutes (Sterling's Best Places, April 13, 2012). The average commute time in minutes for 48 cities are as follows:
Click on the datafile logo to reference the data.
DATA file
Albuquerque
23.3
Jacksonville
26.2
Phoenix
28.3
Atlanta
28.3
Kansas City
23.4
Pittsburgh
25.0
Austin
24.6
Las Vegas
28.4
Portland
26.4
Baltimore
32.1
Little Rock
20.1
Providence
23.6
Boston
31.7
Los Angeles
32.2
Richmond
23.4
Charlotte
25.8
Louisville
21.4
Sacramento
25.8
Chicago
38.1
Memphis
23.8
Salt Lake City
20.2
Cincinnati
24.9
Miami
30.7
San Antonio
26.1
Cleveland
26.8
Milwaukee
24.8
San Diego
24.8
Columbus
23.4
Minneapolis
23.6
San Francisco
32.6
Dallas
28.5
Nashville
25.3
San Jose
28.5
Denver
28.1
New Orleans
31.7
Seattle
27.3
Detroit
29.3
New York
43.8
St. Louis
26.8
El Paso
24.4
Oklahoma City
22.0
Tucson
24.0
Fresno
23.0
Orlando
27.1
Tulsa
20.1
Indianapolis
24.8
Philadelphia
34.2
Washington, D.C.
32.8
a. What is the mean commute time for…
Chapter 14 Solutions
Research Methods for the Behavioral Sciences (MindTap Course List)
Ch. 14.1 - Describe the goal of single-case research and...Ch. 14.1 - Identify the basic elements of a single-case...Ch. 14.2 - Describe the purpose of a phase in a single-case...Ch. 14.2 - Prob. 4LOCh. 14.3 - Describe the structure of an ABAB reversal design...Ch. 14.3 - Identify the strengths and weaknesses of an ABAB...Ch. 14.3 - Explain the circumstances in which an ABAB...Ch. 14.4 - Describe the structure of a multiple-baseline...Ch. 14.4 - Identity and describe the component-analysis...Ch. 14.4 - Identify the strengths and weaknesses of a...
Ch. 14.5 - Identify the general advantages and disadvantages...Ch. 14 - Prob. 1ECh. 14 - Prob. 2ECh. 14 - Traditional statistics (means, variances, and...Ch. 14 - Prob. 4ECh. 14 - Prob. 5ECh. 14 - Prob. 6ECh. 14 - What pattern of results is needed to provide...Ch. 14 - Identify the four phases that make up an ABAB...Ch. 14 - In general, how does a phase-change design like...Ch. 14 - Explain why an ABAB reversal design is...Ch. 14 - Prob. 11ECh. 14 - Prob. 12ECh. 14 - Prob. 13ECh. 14 - How does a multiple-baseline design rule out...Ch. 14 - Suppose (hat a complex therapy procedure contains...Ch. 14 - Prob. 16ECh. 14 - Briefly explain why a clinical psychologist might...
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