A correlation coefficient value of +1.0 indicates
a. a stronger degree of correlation than -2.1.
b. that the two variables are causally related.
c. that a perfect relation between the two variables exists.
d. that high values of one variable are predictive of low values on the other variable.
e. that the highest value on one variable will be associated with the lowest value on the other
variable.
c. that a perfect relation between the two variables exists.
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The term "age of viability" refers to the point at which
a. a child will definitely survive if born. b. survival outside the uterus might be possible. c. the embryo no longer requires oxygen from its mother. d. the heart starts beating.
Which of the following statements is considered a strength of Erikson's theory of psychosocial stages?
a. Presentation of stages makes each stage look similar in length of time to complete. b. Stages appear to be discreet and separate. c. Stages are complete; no new stages are needed. d. Stages incorporate biological and societal influences.