A researcher conducts a repeated-measures experiment examining the effect of teacher feedback on exam scores. If she wants to also test whether gender of the teacher moderated this effect, what type of analysis should she use?
Answer
Correct Answer:
A mixed ANOVA
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A researcher conducts an experiment examining the effect of caffeine on memory. If she wants to examine participant age as a potential moderating factor, she would have a(n) ______ factorial design.
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Correct Answer:
Hybrid
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To graph a hypothesized interaction for a 2 × 2 factorial, the graph must have at least two lines that ______.
Answer
Correct Answer:
Are not parallel
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A 2 × 3 × 2 factorial has how many cells?
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Correct Answer:
12
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A researcher conducts a factorial design with the following factors: exercise level (no exercise, moderate exercise, intense exercise), exercise type (aerobics, stationary bike), and exercise time (20 min, 40 min). What type of factorial design is this?
Answer
Correct Answer:
3 × 2 × 2
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A researcher hypothesizes that children will develop a stronger sense of self-esteem when their families have regular dinners together and that this is especially true for children with learning disabilities. The best analysis to test this hypothesis is ______.
Answer
Correct Answer:
A two-way between-subjects ANOVA
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An experimental factorial design must include ______.
Answer
Correct Answer:
Two factors, both of which are experimental independent variables (IVs)
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A researcher hypothesizes that learning a language, especially German, will improve scores on a math exam. What type of hypothesis is this?
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Correct Answer:
An interaction hypothesis
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A 2 (participant religion) × 4 (participant ethnicity) design is ______.
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Correct Answer:
Both an independent-groups factorial and a correlational factorial design
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A researcher hypothesizes that participation in extracurricular activities will be associated with better social skills. What type of hypothesis is this?
Answer
Correct Answer:
A main effect hypothesis
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An analysis of variance test appropriate for designs with two dependent factors and an interval or ratio outcome is two way within subjects ANova
Answer
Correct Answer:
True
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An analysis of variance test appropriate for designs with one independent factor, one dependent factor, and an interval or ratio outcome is two way mixed ANOVA
Answer
Correct Answer:
True
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Two way subjects between ANova is an analysis of variance test appropriate for designs with ___ independent factors and an interval or ratio outcome
Answer
Correct Answer:
Two
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Quasi experimental factorial design is a design with two or more quasi-IVs, meaning that the IVs are manipulated but participants are not randomly assigned to IV conditions.
Answer
Correct Answer:
True
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____ an interaction effect, the factor that changes the strength or direction of the relationship between a predictor and the outcome
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Correct Answer:
Moderator
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A factorial design with at least one factor with independent levels and at least one factor with dependent levels is called
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Correct Answer:
Multiple design
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How one variable predicts or affects the out-come is called
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Correct Answer:
Main effect
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How one variable predicts or affects the outcome based on the levels of another variable is called
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Correct Answer:
Interaction effect
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Independent group factorial design is a factorial design in which all the factors have independent levels/groups
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Correct Answer:
True
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A design with at least one experimental IV and at least one quasi-IV or predictor is hybrid factorial design
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Correct Answer:
True
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The mean of each level or group that ignores the other factor is called group ___
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Correct Answer:
Mean
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The mean of the ____ or outcome of the entire sample is grand mean
Answer
Correct Answer:
DV
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A shorthand for expressing how many factors, levels, and cells are present in a factorial design is factorial notation
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Correct Answer:
True
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A design used to examine how two or more variables (factors) predict or explain an outcome is ___ design
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Correct Answer:
Factorial
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A predictor variable in a correlational design or an IV in an experiment or quasi-experiment.
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Correct Answer:
True
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____ factorial design is a design with two or more IVs that are manipulated and in which participants are randomly assigned to IV levels
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Correct Answer:
Experimental
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A factorial design in which all the levels of the factors are related via matching or repeated measures is dependent group factorial design
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Correct Answer:
True
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A design with two or more predictors that are not manipulated in the study is correlational factorial design
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Correct Answer:
True
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The mean of each cell comparing one level of a factor across a level of another factor is called
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Correct Answer:
Cell means
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A comparison of one level of a factor across a level of another factor is called
Answer
Correct Answer:
Cell
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