In a Psychophysical Experiment, Dr

question 109

Multiple Choice

In a psychophysical experiment, Dr. Enderby is systematically varying the amplitude of a sound wave and asking observers to indicate how loud the sound seems. In this study, amplitude is a(n) _____ variable. Dr. Enderby should display the results of the study using a _____ graph.

• A)dependent; bar
• B)dependent; line
• C)independent; bar
• D)independent; line

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