The variance
a. reflects the degree to which participants' scores differ from the mean of the scores
b. is a measure of skewness
c. is inferior to the range as a measure of variability
d. is the sum of participants' scores divided by the number of scores
e. all of the above
a
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Describe at least 4 characteristics of good listening (2 points) and 4 characteristics of good speaking (2 points)
What will be an ideal response
Vygotsky's theory is growing in influence because
A) he emphasized how children and adolescents progress cognitively from stage to stage. B) his idea that children's and adolescents' comprehension of the world is an outcome of their interactions with their parents, peers, and other members of society is both appealing and well supported by research findings. C) he emphasized the link between brain development processes and information-processing perspectives. D) research findings are supportive of his ideas that cognitive development proceeds through gradual quantitative improvements in attention, perception, understanding, and memory.