Suppose you are interested in how participants perform under different temperature conditions. You randomly select 30 participants and randomly assign them to work in one of three rooms. The rooms differ only with respect to temperature. You instruct all participants to solve the same jigsaw puzzle, and then you measure how long it takes each one to finish. In this research, temperature serves as
the
a. condition. c. dependent variable.
b. independent variable. d. sample.
B
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If lithium is not effective alone, then may also be prescribed
a. Paxil b. lithium II c. Zoloft d. divalproex
In a study of preference for four different clothing styles, each participant is asked to evaluate all four styles in a reverse counterbalanced order. What type of design does this study represent?
a. one-variable within-subjects design b. one-variable between subjects design c. between-subjects factorial design d. mixed factori e. al design
An increase in responding to a specific stimulus over time is called habituation
Indicate whether the statement is true or false.
As a participant in a classroom debate, a student has been asked to find support for the trichromatic theory of color vision. She would be advised to look at the research that shows there are three
a. types of rods, each sensitive to red, blue, and green. b. types of cones, each sensitive to red, blue, and green. c. retinal ganglion cells, each capable of responding to red, blue, green, but not their afterimages. d. sections of the visual cortex which respond most directly to each of the colors red, blue, and green.