Key symptoms of bulimia nervosa include recurrent episodes of binge eating, a feeling of being “out of control” during binge eating episodes, and __________
A) inappropriate strategies for weight control
B) amnesia for food consumption
C) a fear of running out of food
D) a desire to maintain a state of starvation
Answer: A
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Psychologists developed the concept of spreading activation to explain what phenomenon? a. Hearing a word primes you to think of related words
b. Trying to do two things at the same time impairs performance of at least one of them. c. Many highly emotional people also tend to be highly creative. d. People who can control their attention well also control their emotions well.
Compared to laboratory experiments, field experiments tend to be ____
a. low in internal validity and low in external validity b. low in internal validity and high in external validity c. high in internal validity and low in external validity d. high in internal validity and high in external validity
Which of the following assumptions are not made by classification systems for psychological disorders, such as DSM-5 and ICD-10?
A. Different psychological disorders are distinct from each other B. Diagnosis is possible only if the ultimate causes of symptoms are understood C. Diagnosis of a specific disorder will ensure that a person will receive the most appropriate treatment D. Two patients with the same diagnosis (e.g. ‘Schizophrenia’) are likely to be similar to each other.
What total fertility rate (TFR) is referred to as replacement rate?
a. 1.4 b. 2.1 c. 2.8 d. 3.2