Which statement about leptin is TRUE?
A) It is secreted by fat cells.
B) It signals the brain to switch hunger on.
C) When injected into rats, it leads to obesity.
D) It increases the reinforcing value of food.
A) It is secreted by fat cells.
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According to research findings presented in the textbook, homosexuality appears to be caused by
a. adult hormonal imbalances. b. parenting. c. societal acceptance of gays and lesbians. d. heredity shaping brain areas that orchestrate sexual behavior.
The best explanation of the moon illusion is _________
a) the apparent distance hypothesis b) the angle world hypothesis c) the cultural bias hypothesis d) the top-down processing hypothesis
According to Aaron Beck, which of the following is NOT a cognitive distortion among people with depression?
A. Compartmentalizing B. Making arbitrary inferences C. Personalizing D. Catastrophizing
In which of the following scenarios is a scientific explanation being provided to explain a phenomenon?
A. When asked if mood influences social behavior, Dr. Sessler replies that he believes that it does. B. When asked if addiction is a disease or a choice, Dr. Smith replies that he knows many addicts and he feels that they have a disease. C. When asked if he can train his mind to not feel physical pain, Dr. Farnworth replies that he focuses on his breathing when he feels pain to increase his tolerance for it. D. When asked if violent video games have an impact on players, Dr. Lee replies that there is substantial empirical evidence to suggest a change in the gamers' behavior.