Ruling out alternative explanations for results increases the _________ validity.
Fill in the blank(s) with the appropriate word(s).
internal
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When Alaina is working on her bicycle, she brings her entire tool kit out on the driveway and starts pulling wrenches from it at random, trying them until she finds one that fits. Alaina's approach when she is working on her bicycle could be BEST described as
a. alternate outcomes analysis. b. working backward. c. trial and error. d. forming subgoals.
The mixture of pigments is a(n) ____________ process
Fill in the blank(s) with correct word
The lens of the eye focuses light by changing its own thickness. This process is known as ________.
Fill in the blank(s) with the appropriate word(s).
Anthony, a well-coordinated and muscular boy, decides to play high school football. This is an example of a(n) __________ gene–environment correlation
A) active
B) passive
C) dynamic
D) evocative