Calculating the variance (s2) involves ______ deviations because______.
a. squaring; the sum of unsquared deviations is equal to 0
b. multiplying; samples are smaller than populations
c. subtracting; deviations are always positive
d. dividing; distributions are sometimes skewed (asymmetric)
a. squaring; the sum of unsquared deviations is equal to 0
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High-school students are watching a film about the Holocaust. One of the students starts crying. Within a few seconds, many others start crying, although they were not paying close attention to the film. Which of the following concepts is illustrated in this scenario?
a. scaffolding b. emotion contagion c. personal distress d. externalizing response
When would you consider converting ?2 to odds ratio?
A. When calculating the effect size before performing a chi-square test B. When calculating the likelihood before performing a chi-square test C. When calculating the effect size after performing a chi-square test D. When calculating the likelihood after performing a chi-square test
According to the text, you can become a coauthor of this book
Indicate whether the statement is true or false
A first-grade teacher presents her lessons on addition concepts in several ways to accommodate to the children's ways of "showing what they know and can do." She includes: a rap/chant about addition, small group practice with math manipulatives, and a cumulative story in which one character is added to the group on each page. Which theorist would most clearly support such practices?
A) Alfred Adler B) Jean Piaget C) Howard Gardner D) Lev Vygotsky