What does it mean to say the correlation between two variables is zero?
a. The two variables have the same mean and the same distribution
b. Measuring one variable gives no information useful in predicting the other.
c. Neither variable measures anything of practical importance.
d. The strength of the relationship between the variables has decreased over time.
b
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In general, old people tend to be pretty much alike.
Answer the following statement true (T) or false (F)
Whenever a two-factor experiment results in a significant interaction, you should be cautious about interpreting the main effects because an interaction can distort, conceal, or exaggerate the main effects of the individual factors
Indicate whether the statement is true or false
One implication of the study by Vuola et al. (Vuolo, Mortimer, Staff, 2014) identifying college and career pathways of a large group of high school students is that high school counselors need to _________________________
a. focus all students on attending a four-year college b. provide information about options involving an associate’s degree or vocational training c. contact their students for several years after high school to help them out d. advise students to take a year off before deciding on a college or vocational path
According to Swiss psychiatrist Eugen Bleuler, the term schizophrenia describes cases in which:
a. the personality splits into multiple personalities. b. the personality loses its unity. c. people escape trauma by putting it out of their minds. d. unspeakable torture produces a mental splitting.