Which of the following is a physical dimension of sound perception?

a. timbre
b. pitch
c. amplitude
d. saturation
e. loudness


Answer: c. amplitude

Psychology

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Ebbinghaus completed pioneering experiments on

a. animal learning. b. human physiology. c. human problem solving. d. human learning and memory.

Psychology

According to the textbook, the primary strength associated with using experimental research method is that:

A. it provides insights into daily behavior and limit ethical concerns. B. it allows control of variables and allow for the study of causal relationships. C. it is useful for generating hypotheses and limit ethical concerns. D. it provides large amounts of data and allow for the study of causal relationships.

Psychology

A psychologist studying the rate at which infants in three different countries vocalized distress obtained the scores below from each country

Which group of infants showed the highest mean rate of distress vocalization? Country A 9, 9, 10, 13, 8, 8, 11, 11, 10, 7 Country B 15, 15, 16, 9, 14, 14, 17, 17, 16, 13 Country C 4, 6, 20, 17, 15, 21, 18, 18, 25, 2 A) Country A B) Country B C) Country C D) Countries B and C were equally high.

Psychology

In a resting neuron, which mechanism pushes potassium out of the cell?

a) sodium potassium pump b) electrostatic pressure c) reuptake d) diffusion

Psychology