Economics 2150A/B Study Guide - Quiz Guide: Thought Experiment, Contingency Table, Scatter Plot

• School: Western University
• Department: Economics
• Course: Economics 2150A/B
• Professor: Colin Denniston

Document Summary

Conducted mentally, usually before data are collected, thereby serving as a heuristic device to clarify your a priori logic about relationships between constructs. Categorical variable (p. 93): has different levels values or categories but there is no special ordering to the categories along an underlying dimension. Quantitative variable (p. 94): individuals are assigned numerical values to place them into different categories, and the numerical values have meaning in that they imply more or less of an underlying dimension that is of theoretical interest. Scatterplot (p. 98): a graph that plots scores or values on one variable, y, as a function of scores or variables on the other variable, x. Direct linear relationship (p. 101): higher scores on x imply higher scores on y. Inverse linear relationship (p. 101): higher scores on x imply lower scores on y. As x increases, y is predicted to stay the same.