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Recall the definition and core characteristics of a laboratory experiment. In your answer, define a laboratory experiment, identify the two primary features of this research setting that contribute to its high internal validity, and state the main scientific conclusion this design enables.
Question: Recall the definition and core characteristics of a laboratory experiment. In your answer, define a laboratory experiment, identify the two primary features of this research setting that contribute to its high internal validity, and state the main scientific conclusion this design enables.
Sample answer: A laboratory experiment is a research study conducted in a highly controlled environment. Its two primary features that contribute to high internal validity are the ability of researchers to manipulate variables and to minimize outside influences. This high internal validity ultimately enables researchers to draw strong causal conclusions.
Key points:
- A laboratory experiment is conducted in a highly controlled environment.
- Researchers can manipulate variables in this setting.
- Researchers can minimize outside influences in this setting.
- These settings typically possess high internal validity.
- High internal validity enables researchers to draw strong causal conclusions.
Rubric: Award 1 point for defining a laboratory experiment as a study conducted in a highly controlled environment. Award 1 point for identifying variable manipulation. Award 1 point for identifying the minimization of outside influences. Award 1 point for stating that the design enables drawing strong causal conclusions.
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Research Methods in Psychology - 4th American Edition @ KPU
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