A study is considered a(n) ______ design because all the participants will complete the same task...
A study is considered a(n) ______ design because all the participants will complete the same task in two different environments.
Group of answer choices
between-subjects
within-groups
within-subjects
between-groups
______ is a between-subjects experiment that involves sets of participants matched on a specific characteristic with each member of the set randomly assigned to a different level of the independent variable.
Group of answer choices
Related/paired samples t test
Post hoc design
Matched design
Pretest–posttest design
Homework Answers
A study is considered a between-subjects design because all the participants will complete the same task in two different environments.
Post hoc design is a between-subjects experiment that involves sets of participants matched on a specific characteristic with each member of the set randomly assigned to a different level of the independent variable.
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A study is considered a(n) ______ design because all the
participants will complete the same task...
Because the scores across treatment conditions are necessarily related (as they are from the same subjects),...
Because the scores across treatment conditions are necessarily related (as they are from the same subjects), we need to use the ____. Geoup of answers Matched design Pretest-posttest design Post hoc design Related/Paired samples t test In the ____, the difference scores for each subject/pair are calculated to use the data to be analysed Group of answers With-subjects/Paired samples t test Related/Paired samples t test Between-samples/Paired samples t test Between-subjects/Paired samples t test
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
A quasi-experimental or nonexperimental research design that compares different groups of participants is called a(n) one...
A quasi-experimental or nonexperimental research design that compares different groups of participants is called a(n) one that compares the same group of participants is called a(n) whereas a. pre-post design; nonequivalent groups design. b. nonequivalent groups design; pre-post design. c. within-subjects experimental design between-subjects experimental design. d. between-subjects experimental design, within-subjects experimental design
QUESTION 11 For each of the examples below decide which statistical test should be used to...
QUESTION 11 For each of the examples below decide which statistical test should be used to analyze the data. You want to test the effect of one IV on a DV with three levels with different A. Z-test participants receiving each of the levels B. Pearson Correlation You want to compare a sample with a population, but don't know all of the population parameters C. Single sample t-test One group of participants took medicine, another group took a placebo pil...
V V For each of the examples below decide which statistical test should be used to...
V V For each of the examples below decide which statistical test should be used to analyze the data. You want to test the effect of one IV on a DV with three A. Z-test levels with different participants receiving each of the levels B. Pearson Correlation You want to compare a sample with a population, but don't C.Single sample t-test know all of the population parameters D. Independent samples t-test One group of participants took medicine, another group E....
what is the design of renees study? a. posttest only b. one group c. pretest posttest...
what is the design of renees study?
a. posttest only
b. one group
c. pretest posttest
d. within groups
what is the main threat to internal validity?
a. order effects
b. constancy
c. a counfounding variable
d. a selection threat
how could renee redesign her study to prevent the threat to
internal validity from the previous question?
a. counterbalance the order
b. use elimination
c. use constancy
d. use random assignment
Renee (a 24-year-old Master's student) was studying attitudes toward...
contrasting a repeated measures research design with matched subjects and independent measures designs A graduate student...
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
Select the studies below that use a matched pairs experimental design. To determine the effect of...
Select the studies below that use a matched pairs experimental design. To determine the effect of wearing a helmet in a motorcycle accident, recent accident reports are collected. The reports are divided into two groups, those who were wearing a helmet at the time of the accident and those were were not. The difference of the mean severity for the two groups is computed. Participants in a study to determine the effects of a new weight-loss medication are divided into...
Select the studies below that use a matched pairs experimental design. (a).To determine the effect of...
Select the studies below that use a matched pairs experimental design. (a).To determine the effect of wearing a helmet in a motorcycle accident, recent accident reports are collected. The reports are divided into two groups, those who were wearing a helmet at the time of the accident and those were were not. The difference of the mean severity for the two groups is computed. (b).A study is designed to test which of two new methods is better at teaching children...
Choose the study design that best matches each statement described below. The study design may be...
Choose the study design that best matches each statement described below. The study design may be used more than once or none at all. (24 points) Statement Study Design ____ Blinding or masking is used to control potential bias. Case-Control ____ Observational epidemiological studies, this design is cheaper and faster to conduct because of the usage of already existing data. Cross-sectional ____ Control groups can receive the current “standard” treatment or a placebo. Ecological ____ Data on exposure and outcome...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
A quasi-experimental or nonexperimental research design that compares different groups of participants is called a(n) one that compares the same group of participants is called a(n) whereas a. pre-post design; nonequivalent groups design. b. nonequivalent groups design; pre-post design. c. within-subjects experimental design between-subjects experimental design. d. between-subjects experimental design, within-subjects experimental design
QUESTION 11 For each of the examples below decide which statistical test should be used to analyze the data. You want to test the effect of one IV on a DV with three levels with different A. Z-test participants receiving each of the levels B. Pearson Correlation You want to compare a sample with a population, but don't know all of the population parameters C. Single sample t-test One group of participants took medicine, another group took a placebo pil...
V V For each of the examples below decide which statistical test should be used to analyze the data. You want to test the effect of one IV on a DV with three A. Z-test levels with different participants receiving each of the levels B. Pearson Correlation You want to compare a sample with a population, but don't C.Single sample t-test know all of the population parameters D. Independent samples t-test One group of participants took medicine, another group E....
what is the design of renees study?
a. posttest only
b. one group
c. pretest posttest
d. within groups
what is the main threat to internal validity?
a. order effects
b. constancy
c. a counfounding variable
d. a selection threat
how could renee redesign her study to prevent the threat to
internal validity from the previous question?
a. counterbalance the order
b. use elimination
c. use constancy
d. use random assignment
Renee (a 24-year-old Master's student) was studying attitudes toward...
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
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