Worldwide, at least ______ children were born between 1950 and 2010
Fill in the blank with correct word
10 billion
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Which of the following describes the relationship between two artificially dichotomous variables?
a. tetrachoric correlation b. factor analysis c. discriminant analysis d. multiple regression
Which of the following sets of data would produce the largest value for Cohen's d?
a. n = 10 for both samples, a pooled variance of 15, and a mean difference of 3 points b. n = 20 for both samples, a pooled variance of 15, and a mean difference of 5 points c. n = 10 for both samples, a pooled variance of 20, and a mean difference of 3 points d. n = 20 for both samples, a pooled variance of 20, and a mead difference of 5 points
Leading causes of death in 1900 were cardiovascular diseases and cancer
Indicate whether the statement is true or false
Researchers now believe that Piaget ______ cognition in infancy and ______ cognition in early childhood
overestimated; overestimated underestimated; underestimated overestimated; underestimated underestimated; overestimated