What is the purpose of multiple regression analysis? What two things does it tell a researcher?
What will be an ideal response?
Multiple regression for analysis of nonexperimental data analysis. It is only for interval and ratio-level data. Power of multiple regression is an ability to control for many variables simultaneously. R-squared is the percentage of prediction accuracy, 20 percent is very good in social science, meaning that independent variables explain 20 percent of change in the dependent variable. Percent is based on improvement over zero. Beta coefficient tells size and direction of effects on each independent variable's
impact on a dependent variable.
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Which of the following statements about the use of the filibuster in the U.S. Senate is true?
a. Filibusters were banned by the Legislative Reorganization Act of 2003. b. The threat of using the filibuster has become more common in recent decades. c. Liberal Democrats tend to use filibusters more than conservative Republicans. d. Conservative Republicans tend to use filibusters more than liberal Democrats.
Members of which of the following groups are most likely to be social conservatives?
a. evangelical Protestants b. African Americans c. the elderly d. single mothers