According to the law of specific nerve energies, the brain tells the difference between one sensory modality and another by ____
a. which neurotransmitter is released
b. which neurons are active
c. the velocity of the action potentials
d. the amplitude of the action potentials
b
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Jared is 6 years old. He is experiencing nausea and vomiting each morning before school. Jared may
a. have separation anxiety disorder. b. be a typical 6-year-old who is nervous about starting first grade. c. most likely has an ulcer due to marital conflict within the family. d. have conduct disorder.
Which of the following is an example of Vygotsky's zone of proximal development?
a. Figuring out the answer to your math homework after your sister gives you a hint b. Getting a better grade on the math test than you usually get c. Using trial and error to eliminate incorrect answers to a problem d. Thinking about a purely abstract problem like how many digits there are in infinity
In which qualitative research method does the researcher strive to be at a distance so as not to bias the observations?
a. participant observation b. direct observation c. unstructured interview d. case study
________ percent of the population has IQ scores between 70 and 130
a. Sixty-five b. Seventy-five c. Ninety-five d. Eighty-five