If a researcher concludes that a null hypothesis is false when it is actually true, he or she has committed a ______ error.
A. standard
B. Type I
C. Type II
D. Type III
Ans: B
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Mr. Garland frequently comments, "Good job." Which of the following is most likely true about this?
a. He is using a highly effective response to children. b. He is encouraging them to tell something about their work. c. He is being judgmental and should avoid such phrases. d. He is introducing the child to elements of art.
Someone who has ________ focuses her energy on making her goals happen, rather than on bracing for the worst.
A. pessimism B. optimism C. self-honesty D. assertiveness
When young children are thirsty, water is the best drink
a. True b. False
A fourteen-year-old boy who appears to be going through puberty is
a. probably maturing later than the average fourteen-year-old boy. b. average in terms of male adolescent development. c. ahead of girls in terms of average age of puberty. d. probably not curious about sex in spite of his developing body.