The first stage of the scientific method is
a. Defining the problem
b. Collecting data
c. Communicating the findings
d. Formulating a hypothesis
a
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What was Dorothea Dix's major contribution to the treatment of the mentally ill?
a) She encouraged the founding of mental hospitals. b) She classified the major symptoms of depression and mania. c) She developed the diagnostic system that is still used today. d) She insisted that the mentally ill would receive better care if allowed to live at home with their families.
If the points on a scatterplot are clustered in a pattern that extends from the lower left to the upper right, this would suggest that the two variables depicted are:
a. normally distributed. b. positively correlated. c. regressing toward the average. d. negatively correlated.