Ryan is unusually tall for his age, has a lot of trouble with acne, and finds school a lot more difficult than his older siblings. Through thorough testing, his physicians are most likely to have discovered that Ryan has which of the following conditions?
A. a 47,XYY genotype
B. 5-alpha-reductase deficiency
C. androgen insensitivity syndrome
D. congenital adrenal hyperplasia
Answer: A
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An example of gender intensification would involve
a. boys noticing that some girls like romance. b. a boy asserting his masculinity among his peers. c. a girl acting like a "tomboy." d. a boy acting like a "sissy.".
According to the research on test anxiety and reading comprehension, students who are high in test anxiety tend to
a. report having above-average study skills. b. be similar to other students in making correct inferences from textbook material. c. perform poorly on multiple-choice tests that assess reading comprehension. d. spend less time studying their textbooks.
Joshua is 8 years old and cannot control his temper. His parents encourage him to vent his anger by punching an inflatable doll. This approach will most likely ____
a. ?heighten his feelings of aggression b. ?teach him to discuss his feelings rather than fight c. ?decrease his feelings of aggression d. ?teach him to direct his anger only at inanimate objects
Susan, a researcher, conducts a study at a fruit and vegetable stand. She observes the stand's customers for a period of 3 days without their knowledge and notices that people are more likely to buy a bag of fruit and vegetables that they have sampled at random than those that have been sampled nonrandomly by the seller. Which statement is TRUE of Susan's observation?
A) The study is invalid, as the buyers were not informed of the expected outcome of the study. B) Susan has failed to avoid demand characteristics in her study. C) The buyers have considered random samples to be representative of the whole. D) Susan has used a double-blind observation in her study.