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Questions and Answers
What is the criterion for classifying research as exploratory, descriptive, or explanatory?
What is the criterion for classifying research as exploratory, descriptive, or explanatory?
- The geographical location of the research study
- The number of research questions addressed
- The amount of existing knowledge about the variable(s) (correct)
- The size of the research sample
What do comparative studies involve?
What do comparative studies involve?
- Comparing past and present research findings
- Comparing qualitative and quantitative data
- Comparing different research methods
- Comparing two or more groups on a particular variable of interest (correct)
What is a potential threat to internal validity in experimental designs?
What is a potential threat to internal validity in experimental designs?
- Participant demographics
- External environmental factors
- $p$-value manipulation
- Experimenter effect (correct)
What is the key feature of true experimental designs?
What is the key feature of true experimental designs?
What distinguishes quasi-experimental designs from true experimental designs?
What distinguishes quasi-experimental designs from true experimental designs?
What is the key feature of true experimental designs?
What is the key feature of true experimental designs?
What distinguishes quasi-experimental designs from true experimental designs?
What distinguishes quasi-experimental designs from true experimental designs?
What do comparative studies involve?
What do comparative studies involve?
What is a potential threat to internal validity in experimental designs?
What is a potential threat to internal validity in experimental designs?
What is the criterion for classifying research as exploratory, descriptive, or explanatory?
What is the criterion for classifying research as exploratory, descriptive, or explanatory?
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Study Notes
Research Classification
- Research can be classified as exploratory, descriptive, or explanatory based on its purpose and scope.
- Exploratory research aims to explore a new topic or issue, descriptive research aims to describe a phenomenon, and explanatory research aims to explain the underlying causes of a phenomenon.
Comparative Studies
- Comparative studies involve comparing two or more groups, such as treatment and control groups, to identify differences or similarities.
Experimental Designs
- A potential threat to internal validity in experimental designs is the presence of confounding variables, which can affect the outcome of the study.
- The key feature of true experimental designs is the random assignment of participants to treatment and control groups.
- Quasi-experimental designs differ from true experimental designs in that they lack random assignment of participants to groups.
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