Types of Design Handout

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School

Brock University *

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Course

3P08

Subject

Psychology

Date

Oct 30, 2023

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pdf

Pages

4

Uploaded by LieutenantCobra295

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9/10/2023 1 External Validity Construct Validity Internal Validity Conclusion Validity Sampling Measurement Design Analysis Introduction to Research Conceptualizing Research (Trochim, 2009) Basic Concepts in Measurement and Statistics (a re-review of a few ) Types of Research Designs Random Assignment? Randomized experiment Yes Control/comparison group and/ or multiple measurements of the same variable? No Quasi-experiment Yes Non-experiment No Application: The three types of research design applied to… 1 2 3
9/10/2023 2 Application: Randomized experimental design Individuals who have had a cardiac episode ( N = 100) Cardiac rehabilitation exercise program ( n = 50) “Do as you do” Control ( n = 50) Random assignment Time 1 Quality of life Quality of life Quality of life Quality of life 12 weeks Difference? Time 2 Difference? Application: Quasi-experimental design Individuals who have had a cardiac episode ( N = 100) Cardiac rehabilitation exercise program ( n = 50) “Do as you do” Control ( n = 50) Time 1 Quality of life Quality of life Quality of life Quality of life 12 weeks Difference? Time 2 Difference? Application: Quasi-experimental design Individuals who have had a cardiac episode ( N = 50) Heart Strong Program Time 1 Quality of life Quality of life Quality of life Difference? Time 2 Time 3 4 5 6
9/10/2023 3 Application: Non-experimental design Individuals who have had a cardiac episode ( N = 100) In cardiac rehabilitation exercise program (yes/no) Quality of life Aggregate vs. the Individual N-OF-1 TRIALS Changes in well-being during COVID lockdown in professional footballers: Aggregate-Level Data Re-start 50.70 Return to Training 50.79 Lockdown 50.74 In-season 51.52 Grimson et al., 2021 Conclusion? 7 8 9
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9/10/2023 4 Changes in well-being during COVID lockdown in professional footballers: Individual-Level Data Re-start 24% 16% Return to Training 24% 20% Lockdown 32% 24% In-season Grimson et al., 2021 Conclusion? 10

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