Unit 2: Research Methods Flashcards
Hindsight Bias
After knowing an outcome, tend to believe you knew it all along
Confirmation Bias
Looking for evidence to support our belief and ignore CONTRADICTING EVIDENCE
Overconfidence
An overestimation
Theory
General thought or idea based on past experienes
Hypothesis
An educated guess
If…then
Operational definition
Clarify or quantify variables
Replication
Be able to recreate and get similar results
Case Study
In depth analysis
Survey
Series of questions, either face to face or on paper
Independent variable
What changes
Dependent Variable
s
What u r measuring
Control Group
“Normal” condition
Experimental Group
Idea being tested
Cross sectional study
When one compares 2 different populations results of a study
(Freshmen v seniors)
Longitudinal
Repeat a research study over a long period of time
Population
A group of participants
Random Sample
In an experiment each participate has an equal chance of being in the control or experimental group
Single Blind Procedure
Participants Do not know who received the real treatment and who received the placebo
Double Blind Procedure
Nobody knows who received what
Done by an outside sources
Placebo effect
When a person believes something works even though it truly has no effect
Mean
Average
Median
Middle number
Mode
Most
Range
Largest- smallest