Podcast
Questions and Answers
What type of research is done in a controlled setting/environment?
What type of research is done in a controlled setting/environment?
How is reliability assessed?
How is reliability assessed?
What type of research is used to assess change over time?
What type of research is used to assess change over time?
What are the key threats to internal validity?
What are the key threats to internal validity?
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What type of validity is assessed by evidence that a measure assesses what it claims to assess?
What type of validity is assessed by evidence that a measure assesses what it claims to assess?
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Study Notes
- There are three research designs: field, lab, and study.
- Field research is done in the natural environment of people you are studying.
- Lab research is done in a controlled setting/environment.
- Study research is not manipulated, and is usually a survey.
- There are three types of research validity: nominal, descriptive, and ordinal.
- Content validity is assessed by evidence that a measure assesses what it claims to assess.
- Reliability is assessed by freedom from error in measurement.
- The key threats to internal validity are spurious relationships and correlational research designs.
- Summarize the key facts from the text above in 10 sentences.
- Cross-sectional research is useful in identifying the causal relationship between variables, while longitudinal research is used to assess change over time.
- Random sampling leads to high external validity, while convenience sampling leads to caution regarding external validity.
- Study context also has an impact on external validity, with studies done in a limited context not being applicable to other contexts.
- Longitudinal research designs are vulnerable to threats to internal validity, including history, maturity, morality, and participant drop-out.
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Description
Test your knowledge of research designs, validity, and sampling methods with this quiz. Explore topics such as field, lab, and study research designs, types of research validity, threats to internal validity, and the impact of sampling methods on external validity.
