2025 PSYC 510 Research Methods and Statistics in Psychology I –Quiz - Examining Relationships quiz: 48 out of 50 Liberty University

PSYC 510 Research Methods and Statistics in Psychology I –Quiz -
Examining Relationships quiz: 48 out of 50 Liberty University
Score for this quiz: 48 out of 50

Question 1
pts
In the regression equation, b = .


slope



Y-intercept correlation



ordinal variable



Question 2
pts
After computing a correlation, we compare our computed r value to the critical values for
Pearson’s r using degrees of freedom.


n


n–1


n –2


it depends on whether we have a one- or two-tailed test



Question 3
pts
You should compute a linear regression equation when you .

, compute a significant correlation between two variables



find a significant correlation for two interval/ratio variables



find a significant rpb


have one dichotomous and one interval/ratio measure and a significant rpb


Question 4
pts
The statistic that describes the proportion of variability that is accounted for by knowing the
relationship between two variables is the .


coefficient of prediction



standard error of the estimate



estimated standard error of the means



coefficient of determination



Question 5
pts
The line of best fit represents .


predictions of all the nominal variable values



the best values for the measures