The increase in brain size during the preschool years is primarily due to ____________________ of nerve fibers

Fill in the blank(s) with correct word


myelination

Psychology

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A population of N = 10 scores has a mean of ? = 6 . After one score is removed, the mean is found to be M = 5 . What is the value of the score that was removed?

a. X = 10 c. X = 3 b. X = 5 d. X = 15

Psychology

Participants are shown a series of blinking lights: red, green, white, and light blue. The stimuli blink seemingly at random, but there is a pattern. Participants are asked questions about the lights during the task. Which ability reveals the LEAST about intelligence?

A) labelling the light blue stimulus as periwinkle B) recognizing that there is a pattern C) recognizing very quickly that there is a pattern D) predicting the next light stimulus

Psychology

The sun is rising. The morning light is becoming brighter. What's happening to your level of melatonin?

a. melatonin is not affected by light levels c. decreasing b. stabilizing d. increasing

Psychology

The average 6-year-old from a developed nation weighs between

20–30 pounds. 30–40 pounds. 40–50 pounds. 50–60 pounds.

Psychology