Photopigments are molecules that consist of an opsin and a ________
Fill in the blank with the appropriate word.
Answer: retinal
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What is stated by the null hypothesis for the chi-square test for independence?
a. There is a relationship between the two variables. b. There is no relationship between the two variables. c. Both variables have the same frequency distribution. d. The two variables have different frequency distributions.
The cognitive-developmental explanation of gender role development that emphasizes information processing and environmental influences is called ______.
A. gender preference theory B. theory of mind C. gender schema theory D. information processing theory
Ewald Hering proposed the opponent-process theory of color vision which claims:
a. Three types of color receptors are responsible for afterimages. b. The four types of color receptors are sensitive to red, green, blue and the brightness of the light. c. A red-green cone can transmit messages for red and green at the same time. d. Staring at a green, black, and yellow flag for 30 seconds will not disturb the perception of color.
Cross-cultural research examining the validity of the five-factor model of personality has found that these five factors show up in at least ____ different cultures, including some that have rarely been studied
a. 15
b. 35
c. 50
d. 65