If a validity coefficient of .3 is found between a written test of baseball rules and actual skills playing baseball, what percentage of the variation in baseball skills would be accounted for?

S-O-R psychology adds the concept of _____ into the complex recipe of learning, suggesting that our thought processes intercede in what would otherwise be an automatic process

A) expectations B) spirituality C) emotions D) research

According to Gelman and Meck, the one-to-one principle, the stable-order principle, and the cardinality principle are usually mastered by

a. 5 months of age. c. 3 years of age. b. 1 year of age. d. 5 years of age.