Identify a true statement about theories:
A. They are ideas that summarize and explain facts.
B. They are consensus statements about what one observes.
C. They are testable propositions that describe relationships that may exist between events.
D. They are one's personal convictions about what is desirable and how others ought to behave.
Answer: A
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For a group of students, a researcher obtains their grades in high school and their grades in college and plot the intersection of these paired measures for each person on a graph as a single point. This graph is called a
a. normal curve. b. central matrix. c. frequency distribution. d. scatter diagram.
Five- and 6-year-olds __________
A) typically make gestures on paper to represent their thoughts B) create conventional figures, with the head and body differentiated C) do not yet add features, such as eyes, nose, mouth, and hair D) do not yet use lines to represent the boundaries of objects
The confidence interval is one example of point estimation
Indicate whether the statement is true or false
Research on the Aka hunters and gatherers of Central Africa reveals that a strong father–infant relationship is
A) related to the strong division of male and female duties in the tribe. B) unrelated to the amount of time fathers spend near infants and toddlers. C) unrelated to the father's expressions of caring and affection. D) due in great part to an unusually cooperative and intimate marital relationship.