The Pearson correlation coefficient is used _____
a. to quantify the relationship between two variables in a one-variable distribution
b. to determine the amount of variability in a set of scores
c. when pairs of scores achieve either interval or ratio measurement
d. to test a null hypothesis about the means in a bivariate distribution
C
You might also like to view...
Among teenagers who begin smoking, about what proportion or percentage will eventually die of smoking-related causes?
a. one in twenty b. one in ten c. one in three d. one in two e. virtually all, more than 90 percent
If the A x B interaction is significant, then at least one of the two main effects also must be significant
a. True b. False Indicate whether the statement is true or false
University students are shown a series of pictures and asked to recall them 3 months later. Which picture would the students LEAST likely remember?
A) a picture of a mother holding her deceased child B) a picture of a beautiful nude person C) a picture of an oak tree D) a picture of a mutilated corpse
When Halpern and her colleagues adopted a biopsychosocial approach in their research, this suggests the ____________ perspective of human development
a. correlational b. microgenetic c. holistic d. lifespan