Variables
The research variable that is hypothesized to cause a change in the dependent variable
independent variable
A research method in which the researcher manipulates one or more factors to observe the effects.
experiment
An investigator’s testable prediction about the outcome of research
hypothesis
Method of learning through the application of critical thinking
scientific method
Researchers must disclose in advance the nature of their research
Informed Consent
The behavior or mental process where the impact of the independent variable is measured
dependent variable
The participants in an experiment who are not exposed to the independent variable
control group
A research technique designed to discover the self-reported attitudes or behaviors of people through the use of questionnaires or interviews
survey method
When one person is studied in depth
case study
Researchers must not release data about participants
Confidentiality
Not the independent variable but it could also affect the outcome of a study
confounding variable
A nonactive substance that may be administered instead of a drug
placebo
A statement of the exact behaviors a researcher is looking for in a research study
operational definition
Assigning participants to experimental and control groups by chanc
random or random assignment
Participants must receive a full explanation of the research when it is done
Debrief
The participants in an experiment who are exposed to the treatment; that is, the independent variable
experimental group
The entire group from which subjects may be selected for a study
population
Studying the same group of individuals over a long period of time
longitudinal study
Viewing behavior without manipulating or controlling the environment
naturalistic observation
When researchers selectively notice evidence that supports their hypotheses or expectations
bias(research bias)
When the researchers and participants do not know the expected outcome of an experiment
double blind procedure