1. 2. 3. 4. A researcher is interested in the amount of sleep that working adults in the United States typically get each night. She selects a group of 500 adults who are employed full-time and asks them to report the number of hours of sleep for each night in the last week. She calculates the average number of hours of sleep for each night across the 500 adults. a. b. C. Identify the population for this study. Identify the sample for this study. The average number of hours of sleep each night that the researcher calculated is an example of a A researcher surveyed 300 students on their study habits and performance in college. Her results demonstrated that students who studied several times a week (distributed practice) received higher grades than students who studied once a week (massed practice). Is this an experimental or a nonexperimental study? Explain your answer. A researcher investigated whether people's memory for advertisements is affected by the type of television program they watch. Participants were randomly assigned to watch one of two types of television programs: violent or neutral. Within each TV program were embedded the same 12 ads. After participants watched the television program, participants received surprise memory tests for the content of the ads. Participants were asked to recall as many of the products depicted in the 12 advertisements as they could. a. b. C. Identify the independent variable for this study. Identify the dependent variable for this study. What scale of measurement is used for the independent variable? The average height for adult males in the United States is 69 inches. We randomly select 15 adult male college students from the University of Idaho and find that their average height is 71 inches. The value of 69 inches is a 5. a. b. The value of 71 inches is a_ C. Imagine that we believe the difference between 71 inches and 69 inches is naturally occurring (i.e., due to sampling error). What type of statistic would we use to determine if the height difference is simply due to sampling error? A researcher conducts a survey and asks people to report their income, home ownership (yes or no), political affiliation, and number of hours they work each week. Identify the scale of measurement that is probably used for each of the following: Income a. b. Home ownership (yes or no) C. Political affiliation d. Number of hours worked each week
1. 2. 3. 4. A researcher is interested in the amount of sleep that working adults in the United States typically get each night. She selects a group of 500 adults who are employed full-time and asks them to report the number of hours of sleep for each night in the last week. She calculates the average number of hours of sleep for each night across the 500 adults. a. b. C. Identify the population for this study. Identify the sample for this study. The average number of hours of sleep each night that the researcher calculated is an example of a A researcher surveyed 300 students on their study habits and performance in college. Her results demonstrated that students who studied several times a week (distributed practice) received higher grades than students who studied once a week (massed practice). Is this an experimental or a nonexperimental study? Explain your answer. A researcher investigated whether people's memory for advertisements is affected by the type of television program they watch. Participants were randomly assigned to watch one of two types of television programs: violent or neutral. Within each TV program were embedded the same 12 ads. After participants watched the television program, participants received surprise memory tests for the content of the ads. Participants were asked to recall as many of the products depicted in the 12 advertisements as they could. a. b. C. Identify the independent variable for this study. Identify the dependent variable for this study. What scale of measurement is used for the independent variable? The average height for adult males in the United States is 69 inches. We randomly select 15 adult male college students from the University of Idaho and find that their average height is 71 inches. The value of 69 inches is a 5. a. b. The value of 71 inches is a_ C. Imagine that we believe the difference between 71 inches and 69 inches is naturally occurring (i.e., due to sampling error). What type of statistic would we use to determine if the height difference is simply due to sampling error? A researcher conducts a survey and asks people to report their income, home ownership (yes or no), political affiliation, and number of hours they work each week. Identify the scale of measurement that is probably used for each of the following: Income a. b. Home ownership (yes or no) C. Political affiliation d. Number of hours worked each week
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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Transcribed Image Text:1.
2.
3.
4.
A researcher is interested in the amount of sleep that working adults in the United States
typically get each night. She selects a group of 500 adults who are employed full-time and asks
them to report the number of hours of sleep for each night in the last week. She calculates the
average number of hours of sleep for each night across the 500 adults.
a.
b.
C.
Identify the population for this study.
Identify the sample for this study.
The average number of hours of sleep each night that the researcher calculated is an
example of a
A researcher surveyed 300 students on their study habits and performance in college. Her
results demonstrated that students who studied several times a week (distributed practice)
received higher grades than students who studied once a week (massed practice). Is this an
experimental or a nonexperimental study? Explain your answer.
A researcher investigated whether people's memory for advertisements is affected by the type
of television program they watch. Participants were randomly assigned to watch one of two
types of television programs: violent or neutral. Within each TV program were embedded the
same 12 ads. After participants watched the television program, participants received surprise
memory tests for the content of the ads. Participants were asked to recall as many of the
products depicted in the 12 advertisements as they could.
a.
b.
C.
Identify the independent variable for this study.
Identify the dependent variable for this study.
What scale of measurement is used for the independent variable?
The average height for adult males in the United States is 69 inches. We randomly select 15
adult male college students from the University of Idaho and find that their average height is 71
inches.
The value of 69 inches is a
5.
a.
b.
The value of 71 inches is a_
C.
Imagine that we believe the difference between 71 inches and 69 inches is naturally
occurring (i.e., due to sampling error). What type of statistic would we use to determine
if the height difference is simply due to sampling error?
A researcher conducts a survey and asks people to report their income, home ownership (yes or
no), political affiliation, and number of hours they work each week. Identify the scale of
measurement that is probably used for each of the following:
Income
a.
b.
Home ownership (yes or no)
C.
Political affiliation
d.
Number of hours worked each week
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