Chapter 2: Answering and Asking Research Questions Flashcards
scientific theory
A statement that satisfies three requirements: It is about constructs; it describes causal relations; and it is general in scope, although the range of generality differs for different theories.
constructs
Abstract and general concepts that are used in theories and that are not directly observable.
interventions
Practical steps taken to change people’s behavior or to solve social problems.
construct validity
The extent to which the independent and dependent variables used in research correspond to the theoretical constructs under investigation.
independent variables
A concrete manipulation or measurement of a construct that is thought to cause other constructs.
dependent variables
A concrete measurement of a construct that is thought to be an effect of other constructs
social desirability response bias
People’s tendency to act in ways that they believe others find acceptable and approve of.
self-report measures
Those based on asking the individual about his or her thoughts, feelings, or behaviors.
observational measures
Those based on directly watching and recording people’s behavior, including online behavior.
archival measures
Those based on examining traces of past behavior.
performance measures
Those that ask participants to perform some task as well as they can.
physiological measures
Those based on measurement of some physiological process such as heart rate or muscle movements.
EEG (electro-encephalographic) measures
Measures that use electrical signals on the scalp to very accurately detect the times at which specific neural events occur.
fMRI (functional magnetic resonance imaging)
Indirectly measures the activation levels of specific brain regions
internal validity
The extent to which it can be concluded that changes in the independent variable actually caused changes in the dependent variable in a research study.