If the correlation between two variables is .00, we should conclude that
a. the variables are unrelated
b. the error variance is excessive
c. one variable can be predicted from the other
d. no linear relationship exists between the variables
e. none of the above
D
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Each subsection of the method sections of an APA-style research report begins with a heading (such as Subjects or Participants) ____
a. centered and typed in boldface type b. at the left margin and typed in boldface type c. centered and typed in italics d. at the left margin and typed in italics
Replication of a study involves using the same participants to facilitate acceptance of a study's conclusion by the scientific community
Indicate whether this statement is true or false.
Rachel can sort objects by size or color and can solve simple addition and subtraction problems. However, she cannot think logically about abstract ideas such as freedom and justice. Rachel is most likely in Piaget's __________ stage of cognitive development.
A. sensorimotor B. preoperational C. concrete operational D. formal operational
Cocaine is a(n) __________
a) opiate b) stimulant c) barbiturate d) hallucinogen