Exam 15: Partial Correlation and Multiple Regression and Correlation

The regression equation for a particular relationship is Y = 10 + (.78) X 1+ (-.54) X 2. Which conclusion is consistent with this equation?

The partial correlation coefficient will reveal an interactive relationship between three variables when________.

If the beta-weight of the first independent (X 1) is .45 and the beta-weight of the second independent (X 2) is -.50, then________.

After controlling for Z, the partial correlation coefficient between X and Y is the same value as the bivariate Pearson's r. This pattern would be taken as evidence of________.

Which of the following would be consistent with a spurious relationship between X and Y?

Partial and multiple correlation are based on________.

If a researcher wants to predict the value of a dependent variable based upon known independent variables for a specific case, they would use________.

To the extent that the variables do not meet the assumptions of regression analysis, coefficients and slopes become________.

After controlling for Z, a researcher finds evidence of a spurious relationship between X and Y. What step should be taken next?

In an equation where the beta-weight for poverty is 0.73 and for age is -0.13, what would be the intercept in the standardized least-squares regression line?

Which of the following would be consistent with a causal model in which X and Z had independent and uncorrelated causal effects on Y?

In the analysis of the relationship between crime, poverty, age, and region reported in the text, which independent variable(s) had the strongest effect on the dependent variable according to the beta-weights?

Which of the following is a correctly stated standardized regression equation?

In the least-squares multiple regression equation, the unstandardized partial slopes show________.

Which of the following is not a prerequisite for the use of the techniques of multiple regression and correlation?

Which of the following would be consistent with a direct relationship between X and Y?

In the multiple regression equation, the symbol b stands for the________.

The coefficient of multiple determination (R2), with two independent variables is________.

When examining a bivariate relationship using Pearson's r, the partial correlation computed while using one control variable is called________.

It is possible that a published journal article would include ______ in their analysis of a multiple regression model.