Correlation coefficients are often calculated on what are called "continuous
measures," such as height, weight, amount of rainfall, size of trees, IQ scores, etc. It is
symbolized by the letter r.
The kind of correlation coefficient that is used for a 2 X 2
table is called a/an ____ coefficient.
(a) alpha (b) beta (c) chi (d) phi (e) omega
D
You might also like to view...
Suppose that some researchers conduct a study about cognitive abilities, and they find a relatively large gender difference. From this information, you would expect to find that
a. the overlap in the frequency distributions for males and females will be relatively small. b. the gender difference is likely to be biologically based (e.g., caused by hormonal differences). c. the same results are likely to be obtained if the study is conducted in a different social setting. d. the same results are likely to be obtained if the study is conducted with participants who are either older or younger.
The neurotransmitter thought to regulate or moderate certain behavioral tendencies rather than directly influencing specific patterns of behavior or psychological disorders is a. norepinephrine
b. GABA. c. dopamine. d. serotonin.
Alberta is a psychologist who is trying to assess whether her patient is exhibiting abnormal behavior. Alberta follows a practical approach. Which of the following will not help Alberta decide if her patient has impaired functioning?
a. ?content of the behavior b. ?sociocultural context c. ?behavioral consequences d. ?genetic predispositions
Which of the following is a healthy older adult most likely to do as well—or even better than—a younger adult?
A) pattern recognition B) a geometric puzzle C) a vocabulary test D) a timed problem solving task