PSYCH 3090 Lecture 2: Day 2
Document Summary
Some characteristic that can take on certain values. Characteristic that only takes on one value. Ex- gender: discrete or continuous, discrete, continuous, qualitative or quantitative, qualitative, quantitative. A variable that you can count (a set number rather than an infinite number) Example- whole numbers (mainly), grades, points at a basketball game. A variable where particular values within a given range aren"t countable. There are an infinite number of possibilities. Variables that have categories or groups (5 senses) In experiments, independent variable and factor are often used interchangeably. In nonexperiments, instead of independent variable, researchers often use the term predictor and explanatory variable interchangeably: dependent variable = outcome, response, criterion. Measurement scales: measurement, nominal, assigning numbers to observations. Example: female, male, female = 1, male = 2, ordinal characteristic, example. Interval: label used for mutually exclusive and collectively exhaustive (mece) labels.
