Lecture 03

Methods

  1. Correlational Research
    1. Defined
    2. Correlation Coefficient
    3. Correlation and Prediction
    4. Correlation and Causation
  2. Experimental Research
    1. Random Assignment
    2. Ruling out Alternative Explanations
    3. Random Sampling and Random Assignment
  3. Experimental Validity
    1. Internal Validity
    2. External Validity
    3. Understanding Validity

Understanding Validity

 No Random AssignmentYes Random Assignment
No Random Sampling  
Yes Random Sampling