Exam 6: Reliability and Validity in Measurement and Research

Jim is frustrated with a class because the questions on the most recent exam did not reflect the material that was discussed in class or in the text. The source of his frustration was this exam's apparent lack of

Which of the following is used to describe the judge-to-judge reliability?

The ability to rule out plausible rival hypotheses in an experiment refers to which type of validity?

Sam is developing an instrument that would identify those students who may be at risk for flunking out of school. After administering this test to a group of students, he compares the results of the test with their current classroom performance. Sam is most likely trying to evaluate the instrument's ____________ validity

How can the Spearman-Brown formula be useful in determining how long an instrument should be or how many judges one should use in a study?

What is content validity? How might one try to ensure that an instrument has good content validity?

After analyzing his data, a researcher concludes that there was no relationship between the independent and dependent variables in his study. However, he is concerned with whether or not his conclusions may be erroneous. This researcher is concerned with which type of validity?

When students are upset because they perceive an exam as being "unfair," they are most likely concerned with the test's __________ validity.

One must question an exam's __________ if it seems to measure more of one's ability to guess accurately than what one has learned in the class.

Convergent and discriminant validity are aspects of which type of validity?