Compared with ordinary speech, baby talk has a ______ pitch

When using split-half reliability, a test developer must use the _________ to ensure that the test length does not affect the accuracy of the reliability estimate

a. Kuder-Richardson formula 20 (KR-20) b. Spearman-Brown prophecy formula c. Cronbach's coefficient alpha d. Standard error of measurement

When people are judged mentally unstable at the time of their crimes and therefore innocent of wrongdoing, they are found to be:

a.) guilty but insane. b.) not guilty by reason of insanity. c.) incompetent to stand trial. d.) guilty but mentally ill.