Chapter 2 Flashcards Preview

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Flashcards in Chapter 2 Deck (13):
1

operational definition

describes the actions or operations that will be used to measure or control a variable

2

extraneous variables

any variables other than the independent variable that may influence the dependent variable

3

confounding of variables

occurs when two variables are linked together in a way that makes it difficult to sort out their specific effects

4

hypothesis

tentative statement about the relationship between variables, prediction

5

theory

a system of interrelated ideas used to explain a set of observations, understanding

6

naturalistic observation

a researcher engages in careful observation of behavior without intervening directly with subjects

7

reactivity

occurs when a subject's behavior is altered by the presence of an observer

8

case study

an in-depth investigation of an individual subject

9

meta-analysis

combines the statistical results of many studies of the sam question, yielding an estimate of the size and consistency of a variable's effects

10

placebo effect

occurs when participant's expectations lead them to experience some change even though they receive fake treatment

11

social desirability bias

giving socially approved of answers

12

response set

tendency to respond to question in a way that is unrelated to the content of the questions

13

halo effect

one's overall evaluation of something spills over to influence specific ratings