Research Methods
The Science of Psychology
Ethics
Reliability & Validity
Conceptualizing a Research Study
Descriptive Methods
Key Elements of Experimental Design
Experimental Designs
Quasi-Experimental Designs
Applying Research Concepts
General Review Material
Statistics
Why We Need Statistics
Levels of Measurement
Central Tendency and Variability
Inferential Statistics
Statistical Significance
Single Sample t-test
t-test for Dependent Means
t-test for Independent Means
One-way Analysis of Variance
Factorial Analysis of Variance
Repeated Measures Analysis of Variance
Correlation
Prediction
Chi-square
Scale Reliability
Applying Statistical Concepts
General Review Material
Research Methods:
All Categories > Reliability & Validity > Types of Validity > Threats to Internal Validity
All Categories > Reliability & Validity > Types of Validity > Threats to Internal Validity
Activity: Identifying Potential Threats to Interval Validity Using MRS SMITH
To help students remember potential sources of threats to internal validity, I use the acronym "MRS SMITH." Read More...
Activity: Threats to Internal Validity: Smarties vs. Dum Dums
This activity helps students remember potential sources of threats to internal validity, through an in-class activity Read More...
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