Post hoc tests are necessary after an ANOVA when the test is _____ and there are _____ or more groups being compared

Kenya is experiencing absolutely no stress while taking a test. What effect is this most likely to have on her performance and why?

A) It will improve her grade because she will experience less distraction. B) It will improve her grade because she will be able to recall information more easily. C) It will lower her grade because her arousal level will be low. D) It will lower her grade because suppressing stress taxes cognitive resources.

Of the four basic perspectives on child development,

a. each perspective furnishes the "Truth" about child development b. some perspectives are accurate; others are not c. no one perspective provides us with the complete information about child development d. the various theories of child development cancel out each other