PSYC 2017 Study Guide - Midterm Guide: Mental Chronometry
Document Summary
Direction: indicates if the effect of the iv was facilitating or inhibiting: + or . Magnitude: reveals the magnitude of the effect: how much, types of dependent variable, discrete vs. continuous variables, quantitative vs. qualitative variables, types of dependent variables. 1: scales of measurement, nominal a categorical variable for mutual exclusive, but not ordered, categories. Attributes are only named; weakest: ordinal order matters but not the difference between the variables. Attributes can be ordered: interval the difference between two values is meaningful. Distance is meaningful: ratio has all the properties of an interval variable, and also has a clear definition of 0. 0. The number pinned on a sports person. The first, third and fifth person in a race: nominal, ordinal, interval, ratio: My level of happiness, rated from 1-10 (is ordinal) The number of pizzas i can eat before fainting: psychometric properties of good measurement, experimental reliability. Stability, consistency or repeatability: experimental validity.
