Define standard deviation.
What will be an ideal response?
Correct Answer:
The square root of the average of the squared deviations of scores from the mean of the distribution. In other words, it is the square root of the variance.
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As soon as any financial transaction occurs, it should be recorded, preferably using a computer and an appropriate software package
a. True b. False
Friendships between children can be enhanced by:
A) encouraging some children to be dominant B) group continuity of care C) changing the children in a class every year so that children will meet new children D) stopping most of the conflicts between them
Brain plasticity is most indicated by:
a. neurons forming new synapses following learning. b. neurons emitting new neurotransmitters following an action potential. c. neurons acquiring new function following brain injury. d. neurons creating new lobes following adolescence.
Which of the following provides rules for putting together a series of words to form sentences?
A. Language B. Speech C. Phonology D. Syntax