The absorption curves for honeybee visual pigments are _____.
A) nearly identical to those of humans
B) shifted downward, so honeybees can see shorter wavelengths than humans can
C) shifted upward, so honeybees can see longer wavelengths than humans can
D) shifted downward for the lowest wavelength lights and shifted upward for the highest
Which of the following best represents the inductive method?
a. Developing a research hypothesis from an existing theory
b. Developing a theory by using prior expectations
c. Developing a theory from observing the behaviors of children
d. Developing a theory from an existing research hypothesis
Newton's quote, The rays are not colored, means that _____.
A) we can determine the accuracy of color perception by measuring the wavelength of the light
B) colors are created by our perceptual system
C) the experience of color is not arbitrary
D) a 450 nm pattern will look the identical shade of blue to all human trichromats
Which of the following is not a component of a good theory?
a. The theory is tautological
b. The theory is parsimonious
c. The theory allows making predictions
d. The theory is falsifiable
If you look at a folded index card though a pinhole, you see the border as a(n) _____ because the card looks _____.
A) illumination edge; flat
B) illumination edge; 3-D
C) reflectance edge; flat
D) reflectance edge; 3-D
Literature searches are most effective if the researcher
a. begins by using primary sources and then turns to secondary sources.
b. has an initial and well developed research interest.
c. is not influenced by previous experiments conducted on the topic.
d. uses a variety of sources, such as textbooks, journal articles, experts, and databases.
If you cover the penumbra with a black marker, the perception of the border _____.
A) remains constant
B) changes from an illumination edge to a reflectance edge
C) changes from a reflectance edge to an illumination edge
D) can be predicted from the ratio principle
When coming up with a research idea, one should always
a. be aware of existing research.
b. rely on one's intuition.
c. be certain that the idea addresses real world problems.
d. focus primarily on conflicting findings.
The edge between a dark shadow and an illuminated checkerboard is a(n) _____.
A) reflectance edge
B) illumination edge
C) ratio edge
D) Ishihara border
A study using the experimental design has found that in conditions in which there are more people in a room, the average reaction time to respond to a request for help is less. In this experiment the independent variable is____________ and the dependent variable is_______________.
a. the number of people in the room; the gender of the participants
b. the gender of the participants; the number of people in the room.
c. reaction time to help; number of people in the room
d. the number of people in the room; reaction time to help
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