lecture 10- 12

lecture 10- 12 - Measurement(operationalizing variables...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
October 12, 2004 Measurement (operationalizing variables) Types of Measures -Physiological measures Ex: heart rate, blood pressure -Behavioral measures: observing things people do Ex: voting, nonverbal reactions -Self-report measures: most common in communication; ask people Ex: items on a questionnaire Goals we try to reach: -Triangulation: we don’t rely on one type of measure but rather rely on different types of measures of a concept or variable -Using multiple indicators of the concept e.g., several different items on a questionnaire Ex: to see if people were shocked by a movie, you can ask if they were shocked but also other emotions that relate to shocked/offended Levels of Measurement -Nominal: Variable is measured merely with different categories Ex: to measure fear, different categories to try and get at it Categories must be mutually exclusive Ex: you can only check one box (male or female) Categories must be exhaustive Ex: Didn’t miss any choices, all are there Variables measured this way are also called “categorical” or “discrete” variables
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 3

lecture 10- 12 - Measurement(operationalizing variables...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online