Piaget's stage of cognitive development in which mental operations are abstract and hypothetical is:
A) concrete operational. B) formal operational.
C) preoperational. D) sensorimotor.
Answer: B
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Two samples, each with n = 16 scores, produce an estimated standard error of 4 points and a t statistic of t = 2.00 . What is the sample mean difference?
a. 2 c. 8 b. 4 d. 16
Compared to REM, research suggests that NREM is ____
a. important for all types of memory b. important for strengthening memories of motor skills c. important for strengthening memories of lists of words d. not important for strengthening memories of any kind
A problem-solving technique that involves a specific procedure for the particular type of problem is called
a. a computer. c. a concept. b. an algorithm. d. an analogy.
The main excitatory neurotransmitter in the nervous system, which plays a role in the relay of sensory information and learning, is
A) glutamate. B) gamma-aminobutyric acid. C) acetylcholine. D) serotonin.