According to the trichromatic theory of color vision, the most important factor in determining the color we see is the ____
a. velocity of the action potential
b. absolute activity of a single cone
c. difference between cone and rod activity
d. relative activity of short, medium, and long wavelengths
d
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During the period before the Renaissance, which of the following was true?
a. Astrology was met with great skepticism. b. Superstition influenced most everyone from peasants to kings and the clergy. c. People were classified into three groups: believers, nonbelievers, or questioners. d. Scientific inquiry and reason were encouraged.
If the independent variable is significant in one-way within-subjects ANOVA, then MSA will be ______ MSA×S, and the F ratio from your study will be ______.
A. smaller than; under 1.0 B. smaller than; over 1.00 C. larger than; over 1.00 D. nearly equal t; around 1.00
An observer bias is
a. an "educated guess" about what will happen. b. the direct result of the context of discovery. c. the direct result of the context of justification. d. an error due to personal motives and expectations.
An STI that initially has few symptoms, but later results in burning urination and a discharge from the penis or vagina is ________
A) AIDS B) gonorrhea C) genital herpes D) chlamydia