Related sample is a type of sample in which the same or matched participants are observed in each group.
Answer
Correct Answer:
True
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A researcher computes an analysis of variance with three factors and finds that the three factors interact to cause changes in a dependent variable. What type of interaction did the researcher find?
Answer
Correct Answer:
A higher-order interaction and a three-way interaction
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A researcher observes 25 participants in each group of a 2 × 2 factorial experimental design. If 50 total participants were observed, then what type of factorial design was conducted?
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A researcher observes 15 participants in each group of a 2 ´ 2 factorial experimental design. If 15 total participants were observed, then what type of factorial design was conducted?
Answer
Correct Answer:
Within-subjects factorial design
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A researcher observes 10 participants in each group of a 2 ´ 2 factorial experimental design. If 40 total participants were observed, then what type of factorial design was conducted?
Answer
Correct Answer:
Between-subjects factorial design
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A researcher observed nine groups in a two-way factorial experimental design. If the levels of the first factor were 3, then how many levels did the second factor have?
Answer
Correct Answer:
3
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Which of the following is an example of an experimental factorial design with two manipulated factors?
Answer
Correct Answer:
A researcher randomly assigns participants to consume popcorn (fresh, stale) during a movie clip that was played at a soft or loud volume.
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Which of the following is an advantage of the within-subjects design compared to the between-subjects design?
Answer
Correct Answer:
The within-subjects design has great power to detect an effect compared to the between-subjects design.
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What are two types of counterbalancing?
Answer
Correct Answer:
Complete and partial
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A threat to internal validity in which the order that participants receive different treatments or participate in different groups causes changes in the dependent variable is called ______.
Answer
Correct Answer:
Order effects
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What is an advantage of using a between-subjects experimental design?
Answer
Correct Answer:
It requires the use of a large sample.
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If the one-way between-subjects ANOVA is significant, then what is the next step if three or more groups were observed?
Answer
Correct Answer:
Conduct post hoc tests
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A researcher separates employees at a local business by their seniority level in the company, and then randomly assigns each group (low seniority, moderate seniority, and high seniority) to each of two groups to study employee attitudes. What type of restricted random assignment was used in this example?
Answer
Correct Answer:
Control by matching
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Which of the following steps for conducting a between-subjects experimental design meets the requirements for randomization?
Answer
Correct Answer:
Select a random sample and create two or more groups by manipulating the levels of an independent variable
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A research design in which the levels of two or more within subjects factors are combined to create groups, meaning that the same participants are observed in each group is known as_____
Answer
Correct Answer:
Within-subjects factorial design
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A type of factor in which the same participants are observed in each group or at each level of the factor is known as_____
Answer
Correct Answer:
Within-subjects factor
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For “within-subjects experimental design” the researcher must _____
Answer
Correct Answer:
All of these
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A research design in which the same participants are observed one time in each group of a research study is known as_____
Answer
Correct Answer:
Between-subjects design
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A source of variance in a dependent measure that is caused by or associated with observing different participants within each group is known as_____
Answer
Correct Answer:
Within-groups variability
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A source of variance in a dependent measure that is caused by or associated with observing different participants within each group is known as_____
Answer
Correct Answer:
Within-groups variability
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A statistical procedure used to test hypotheses concerning the difference in interval or ratio scale data between two group means, in which the variance in the population is unknown is known as_____
Answer
Correct Answer:
Two Independent-samples t test
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A condition in an experiment in which participants are treated or exposed to a manipulation or level of the independent variable that is believed to cause a change in the dependent variable is known as_____
Answer
Correct Answer:
Treatment group
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Test statistic is a mathematical formula that allows researchers to determine the likelihood of obtaining sample outcomes if the_____ were true.
Answer
Correct Answer:
Null hypothesis
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The two strategies of restricted random assignment are_____
Answer
Correct Answer:
Both a and b
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A research design in which the same participants are observed one time in each group of a research study is known as_____
Answer
Correct Answer:
Repeated measures design
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A statistical procedure used to test hypotheses concerning the difference in interval or ratio scale data for two related samples in which the variance in one population is unknown is known as_____
Answer
Correct Answer:
Related-samples t test
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How many groups are required for post hoc tests?
Answer
Correct Answer:
More than 2
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Participant variable is a _____ that is related to or characteristic of the personal attributes of a participant.
Answer
Correct Answer:
Both a and b
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Participant fatigue is a state of _____ exhaustion resulting from intense research demands typically due to observing participants too often or requiring participants to engage in research activities that are too demanding.
Answer
Correct Answer:
Both
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Pairwise comparison is a statistical comparison for the difference between two _____ means.
Answer
Correct Answer:
Group
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A threat to internal validity in which the order in which participants receive different treatments or participate in different groups causes changes in a dependent variable is known as_____
Answer
Correct Answer:
Order effect
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One way within subjects ANOVA test is used when different participants are observed at each level of a factor and the variance in a given population is unknown.
Answer
Correct Answer:
False
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One way between subjects ANOVA test is used when different participants are observed at each level of a factor and the variance in a given population is unknown.
Answer
Correct Answer:
True
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A research design in which different participants are observed at each level of a between-subjects factor and also repeatedly observed across the levels of the within-subjects factor is known as_____
Answer
Correct Answer:
Mixed factorial design
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In matched samples design participants are matched_____ based on preexisting characteristics or traits that they share.
Answer
Correct Answer:
Both a and b
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A source of variation associated with mean differences across the levels of a single factor is known as_____
Answer
Correct Answer:
Main effect
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All are correct about latin square except_____
Answer
Correct Answer:
Each treatment precedes and follows each treatment multiple times
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Independent sample t test is a statistical procedure used to test hypotheses concerning the_____
Answer
Correct Answer:
Both a and b
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A type of sample in which different participants are independently observed one time in each group is known as_____
Answer
Correct Answer:
Independent sample
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An interaction for the combination of levels of _____ factors in a factorial design is known as high order interaction.
Answer
Correct Answer:
Three or more
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A research design in which the levels of more than two factors are combined or crossed to create groups is known as_____
Answer
Correct Answer:
High order factorial design
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In factorial experimental design participants are observed in each group using experimental procedures of_____
Answer
Correct Answer:
All of these
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A research design in which participants are observed across the combination of levels of two or more factors is known as_____
Answer
Correct Answer:
Factorial design
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Experimental manipulation is the identification of an independent variable and the creation of _____ that constitute the levels of that variable.
Answer
Correct Answer:
Two or more groups
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A condition in an experiment in which participants are treated or exposed to a manipulation or level of the independent variable that is believed to cause a change in the dependent variable is known as_____
Answer
Correct Answer:
Experimental group
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A numeric measure of the variability in scores that can be attributed to or is caused by the individual differences of participants in each group is known as error variance.
Answer
Correct Answer:
True
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The two sources of error are_____
Answer
Correct Answer:
Both a and b
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A type of sample in which the same or matched participants are observed in each group is known as_____
Answer
Correct Answer:
Dependent sample
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Counterbalancing is of how many types?
Answer
Correct Answer:
2
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A condition in an experiment in which participants are treated the same as participants in an experimental group, except that the manipulation believed to cause a change in the dependent variable is omitted is known as_____
Answer
Correct Answer:
Control group
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A type of restricted random assignment in which we assess or measure the characteristic we want to control, group, or categorize participants based on scores on that measure and then use a random procedure to assign participants from each category to a group in the study is known as_____
Answer
Correct Answer:
Control by matching
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A type of restricted random assignment in which we limit which participants are included in a sample based on characteristics they exhibit that may otherwise differ between groups in a study is known as_____
Answer
Correct Answer:
Control by holding constant
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Choose the correct statement about control.
Answer
Correct Answer:
Both a and c
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_____ is a group that received a different treatment from the experimental or treatment group.
Answer
Correct Answer:
Comparison group
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A threat to internal validity in which participation in one group causes changes in performance in a second group is known as_____
Answer
Correct Answer:
Carryover effect
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A research design in which the levels of two or more between subjects factors are combined to create groups, meaning that different participants are observed in each group is known as_____
Answer
Correct Answer:
Between subjects factorial design
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A type of factor in which different participants are observed in each group or at each level of the factor is known as_____
Answer
Correct Answer:
Between subjects factor
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An experimental research design in which the levels of a between-subjects factor are manipulated, and then different participants are randomly assigned to each group or to each level of that factor and observed one time is known as_____
Answer
Correct Answer:
Between subjects experimental design
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A research design in which different participants are observed one time in each group or at each level of a factor is known as_____
Answer
Correct Answer:
Between-subjects design
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A source of variance in a dependent measure that is caused by or associated with the manipulation of the levels of an independent variable is known as_____
Answer
Correct Answer:
Between-groups variability
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