According to Piaget, during the formal operational period:
a. abstract reasoning skills emerge
b. object permanence develops
c. children show evidence of centration when solving problems
d. the principle of conservation is mastered
A
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According to the trichromatic theory (Young-Helmholtz theory) of color vision, we perceive color by what means?
a. Higher wavelengths of light produce action potentials with greater amplitudes. b. Higher wavelengths of light produce action potentials with higher velocities. c. Certain brain cells increase response for one color and decrease it for another. d. Three types of cones produce different ratios of response.
We can easily determine the mode from a ______ of a data set by looking at the score that occurs most often in the frequency column.
A. mode distribution table B. frequency distribution table C. mean distribution table D. bimodal distribution table
According to Kohlberg, the conventional level is based on self-interest and avoiding punishment
Indicate whether the statement is true or false
Before beginning an experiment, researchers use_________________ to define exactly how variables like "intelligence" or "happiness" will be measured
FIll in the blank with correct word.