If one wishes to draw a cause-effect conclusion, then one should use ___ methods.
a. case study
b. structured
c. observational
d. experimental
e. self-report
d. experimental
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Vygotsky felt that learning always took place _____
a. at school b. through cognitive development c. via social and cultural processes d. in a bubble
A report noted that for the population of 9th graders, one-third of the students are unable to pass a quiz in basic geography. One teacher, having spent a great deal of time on geography instruction, gave the same quiz to a group of n = 72. Only X = 18 students in the group did not pass the test. The teacher would like to know if the number of students in this class who failed the quiz is
significantly different from the general population. For this test, what is the z-score corresponding to X = 18? A) ?z = 0.375 B) ?z = -1.00 C) ?z = -1.50 D) ?z = 2.00
"Day people" wake up alert, are energetic early in the day,
and fall asleep early in the evening, while "night people" wake up groggy, are lively in the afternoon or early evening, and stay up late. This occurs because "day people" have early peaks and "night people" have later peaks in their a. ASCs. b. sensation-seeking patterns. c. circadian rhythms. d. opponent processes.
Neuronal signals are carried across the synapse by
A) direct electrical connections between the two cells. B) the secretion of transmitter molecules into the synapse. C) the transfer of ions from one cell to another. D) an inhibitory effect of a transmitter molecule on the postsynaptic membrane. E) an influx of potassium ions into the axon terminal.