________ research allows researchers to study problems when intervention is impossible
FIll in the blank with correct word.
Answer: Correlational
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All but which of the following are suggested by opponent-process theory?
a. Black-white photoreceptors are responsible for detecting differences in brightness. b. Continually staring at a green image will result in an afterimage of red. c. Continually staring at a yellow image will result in an afterimage of blue. d. Red-green receptors simultaneously transmit messages for red and green. e. Afterimages are the eye's attempt to maintain equilibrium between receptors.
According to Piaget, one of the earliest indications of internal representations is ___
a. the coordination of secondary circular reactions b. deferred imitation c. perspective taking d. the ability to consider classes and relations together
Running, jumping, and skipping are best considered to be examples of:
a. sensory pleasure b. play with motion c. rough-and-tumble play d. play with language
Eliminating a dog's tendency to jump up on visitors by scolding her when she does so is an example of ______, while the schooling itself is a _______.
Fill in the blank(s) with the appropriate word(s).