What are the three essential diagnostic features of anorexia nervosa?
A. Persistently low self-confidence, intense fear of becoming fat, and disturbance in motivation.
B. Low self-esteem, disturbance in self-perceived weight or shape, and persistent energy restriction.
C. Restricted affect, disturbance in motivation, and low calorie intake.
D. Persistent restriction of energy intake, intense fear of becoming fat, and disturbance in self-perceived weight or shape.
Answer is D. Persistent restriction of energy intake, intense fear of becoming fat, and disturbance in self-perceived weight or shape.
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Carol Dweck (2012) argues that achievement motivation is influenced by
a. birth order. b. peoples beliefs about their own abilities. c. gender. d. parenting style.
Lives in Context Video 9.2: Bilingual EducationClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 339 and watch the video. When you've finished watching the video, come back to the test and answer the following question:Posting important math terms around the classroom in both English and Spanish best reflects which of the following approaches to teaching English Language Learners?
A. immersion B. dual language learning/two-way immersion C. bilingualism D. four-way immersion
The developmental trajectory of youth who experience abuse is most often disrupted
in which of the following ways? a. They fail to form secure attachments to trusted adults. b. They are unable to express positive affection to adults or peers. c. They avoid sexual contact with others, even in adolescence and beyond. d. They tend to overcontrol their emotions, often to the point of having a very flat affect. e. They usually refuse to comply with their parents or other adults, and are excessively oppositional and defiant.
The standard deviation of the population of individual scores is 15. A
random sample of 40 subjects yields a mean of 105. a. Calculate the standard error of the mean. b. Test the hypothesis, via the z test, that this sample could be representative of a population whose mean is known to be 100.