According to a recent Federal Reserve Bank analysis of the economics of the Perry Preschool Project,
a. public funding of early interventions is not a good investment
b. the return on the public investment in early interventions cannot be calculated
c. the return on public investment in early interventions is only slightly better than other public expenditures, such as roads and sports stadiums
d. public funding of early interventions saves money in the long run by reducing the need for special education services and welfare support
D
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______ are the type of statistics that help us summarize the data.
A. Inferential statistics B. Research reports C. Histograms D. Descriptive statistics
A sample is selected from a population with ? = 70, and a treatment is administered to the sample. After treatment, the sample mean is M = 74, and Cohen's d is d = 1.00 . What is the value of the sample variance?
a. s2 = 2 b. s2= 4 c. s2 = 16 d. It is impossible to determine the sample variance without more information.
People who diet intensely every other day lose as much as those who diet moderately every day
Indicate whether the statement is true or false
Activated by the _____, gonads release _____
a) thymus; estrogen. b) pineal gland; testosterone. c) pituitary; corticoids. d) pituitary; sex hormones.