September

Sampling and Estimation

1. Confidence Intervals

2. Upper Limit of the 95% CI when the Number of Observations is 0

Measures of Validity/Reliability

1. Inter-rater reliability (kappa)

Content Outline Learning Objectives:

• Interpret a confidence interval

• Understand the types of validity that relate to measurement

• Distinguish accuracy from precision

• Understand when to use and how to interpret kappa

Gaddis: "Confidence Intervals"

Pett: "The Kappa Coefficient," "An Appropriate Research Question for the Kappa Coefficient," "Critical Assumptions of the Kappa Coefficient," and "Advantages and Limitations of the Kappa Coefficient"

Classic Article:

QUIZ: NONE THIS MONTH