Podcast
Questions and Answers
What is a variable that differentiates a set of groups or conditions being compared in a research study?
What is a variable that differentiates a set of groups or conditions being compared in a research study?
- Independent Variable
- Factor (correct)
- Mediator
- Dependent Variable
What is a factorial design?
What is a factorial design?
A research design that includes two or more factors.
What does the term 'main effect' refer to in a factorial study?
What does the term 'main effect' refer to in a factorial study?
The mean differences among the levels of one factor.
What does 'interaction between factors' mean in a factorial design?
What does 'interaction between factors' mean in a factorial design?
What is a mixed design in research?
What is a mixed design in research?
What defines a combined strategy in a factorial study?
What defines a combined strategy in a factorial study?
What is a two-factor design?
What is a two-factor design?
What is a single-factor design?
What is a single-factor design?
What are levels in an experiment?
What are levels in an experiment?
What is a three-factors design?
What is a three-factors design?
What is a higher-order factorial design?
What is a higher-order factorial design?
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Study Notes
Factorial Designs Overview
- Factors are independent variables in a research study, differentiating groups or conditions.
- A factorial design involves two or more factors, allowing for a comprehensive analysis of variables.
Main Effects and Interactions
- Main effect refers to the mean differences across the levels of one factor in a factorial study, determining the impact of that factor on the outcome.
- Interaction occurs when one factor modifies the effect of a second factor, indicated by nonparallel lines in graphical representations, showing dependent relationships between factors.
Design Types in Factorial Research
- Mixed design combines between-subjects and within-subjects research designs within the same study, providing diverse experimental means.
- Combined strategy merges different research strategies like experimental and nonexperimental approaches in a factorial framework.
Specific Design Structures
- Two-factor design refers to studies with two independent or quasi-independent variables, allowing for interaction assessment between these variables.
- Single-factor design involves a singular independent or quasi-independent variable, simplifying analysis.
- Three-factors design expands the approach, typically utilizing surveys to gather data about specific individual groups.
Higher-order Factorial Designs
- Higher-order factorial design relates to studies featuring more than two factors, enhancing complexity and potential insights into variable interactions.
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