In multiple regression prediction errors ______ and ______.
a. are heteroscedastic, independent
b. are multicollinear, homoscedastic
c. follow the standard normal distribution, homoscedastic
d. are normally distributed, homoscedastic
Ans: D
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Alice has been experiencing a number of symptoms of anxiety for several months. A psychologist decides to assess her symptoms by using a behavioral coding system. What is Alice likely to be asked to do?
a. evaluate the symbolism of each of her symptoms b. record the presence of specific symptoms during 30-minute segments throughout the day c. rate the level of anxiety she feels on a scale ranging from very anxious to not anxious d. discuss her symptoms while a psychologist checks instruments designed to measure her pulse and breathing
Which statement describes the development of processing speed between ages 6 and 23? a. Time needed to respond decreases at a consistent rate
b. Time needed to respond decreases until about age 17 and then levels off. c. Time needed to respond is constant until about age 17 and then decreases significantly. d. Time needed to respond increases at a consistent rate.
Reduced may be associated with overeating and carbohydrate craving
a. epinephrine b. norepinephrine c. serotonin d. GABA
A box used in operant conditioning of animals that limits the available responses and, thus, increases the likelihood that the desired response will occur is called a __________
a) trial box. b) response box. c) Watson box. d) Skinner box.