Which of the following correlation coefficients represents the strongest relationship between two variables?
a. +.30
b. +.75
c. +1.3
d. -.85
e. -1.2
d
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For the first time in his young life, Nemo is able to look at photos of aquatic animals and classify them as mammals or fish. He is also able to order them from smallest to largest. These skills indicate that Nemo has likely just entered the _____ stage of cognitive development
a. formal operations b. sensorimotor c. preoperational d. concrete operations
To increase internal consistency, items that correlate well with other items measuring the same construct should be
a. dropped. b. retained. c. rewritten. d. grouped together.
Jayton lives in a community that provides a high level of support for school through helping with transportation, after-school child care, tutoring, and other services to help each child excel. This is an example of
A. student aid. B. social capital. C. SES. D. the No Child Left Behind Act.
Answer the following statement(s) true (T) or false (F)
Pearson r test is used to determine whether a linear relationship exists between two variables measured on an ordinal scale.