Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Question 12<br />
An 10-item ASP measure with a reliability <strong>of</strong> .6 and an HIV riskbehavior<br />
measure with a reliability <strong>of</strong> .5 correlate at .30. How<br />
many additional items with similar item-level reliability must be<br />
added to the ASP measure to make the observed correlation ≥.35?