Exam 3: Defining and Measuring Variables

Measurement that includes a large error component will have very low ____.

What kind of validity requires that a researcher create two different measures of the same variable?

Using the number of yawns in a one-hour period as a definition and a measurement of sleepiness is an example of ____ sleepiness.

A strategy for reducing experimenter bias is to ____.

Define a construct and explain why psychologists often need to use an operational definition to measure constructs.

Define the ceiling effect and floor effect and describe how they can influence the results of a research study.

You develop a new measure of self-efficacy and you find that people who score high on your measure also score high on a standardized measure of self-efficacy. You have demonstrated ____.

Demand characteristics are cues within a research study that suggest how the participants are expected to behave or respond.