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Hindsight Bias
“I knew it all along“. The belief that you would have known after you know the answer.
Operational Definition
Precise description of exact procedures used in a research study.
Case Study
In-depth study of an individual or group hoping to reveal things true to all of us.
Naturalistic Observation
Observing and recording behavior in a natural environment.
Survey
A data collection tool used to gather information on a particular group of people using questions.
Experiment
a research method in which a hypothesis is scientifically tested.
Control Group
Group that is not exposed to treatment.
Experimental Group
Group exposed to treatment.
Population
Everyone in a group being studied.
Random Sample
Each member of the population has an equal chance of being selected for the study.
Random Assignment
Everyone has an equal chance to be in either group.
Double-Blind Procedure
Neither the person in the experiment or experiment conductor knows who's in which group; to prevent bias
Placebo
Fake medication given to the control group.
Independent Variable
The factor that is being changed and its effect is what’s being studied.
Dependent Variable
The variable that may change because of the changes in the independent variable.
Statistical Significance
The probability that the result did not occur by chance.
Illusory Correlation
When we think there is a relationship where there is not.
Standard Deviation
The average difference between each score and mean.
Informed Consent
The participants are told enough to allow them to choose whether they want to participate or not.
Debriefing
Explanation of the study after the experiment.
Note
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