The correlation coefficient does not indicate
a. the association between two variables.
b. the direction of the relationship between two variables.
c. the effect of one variable on another.
d. how one factor varies with another.
C
Psychology
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In a __________design, one group of participants is followed and assessed over a period of time as the group ages
a) cohort b) longitudinal c) lifespan d) cross-sectional
Psychology
Phoenix, a research assistant, is going to "draw names out of a hat" to select research participants for his study. Phoenix would be
a. choosing a random sample. b. circumventing the proper protocol. c. stratifying the sample. d. doing a qualitative research study.
Psychology