'True score theory' presentation slideshows

Testing 05

Testing 05. Reliability. Errors & Reliability. Errors in the test cause unreliability. The fewer the errors, the more reliable the test Sources of errors: Obvious: poor health, fatigue, lack of interest Less obvious: facets discussed in Fig. 5.3. Reliability & Validity.

745 views • 63 slides

485 views • 31 slides

Normal Distribution

Normal Distribution. The Bell Curve. Questions. What are the parameters that drive the normal distribution? What does each control? Draw a picture to illustrate. Identify proportions of the normal, e.g., what percent falls above the mean? Between 1 and 2 SDs above the mean?

235 views • 11 slides