Methodology
From KstructIB
Sample - Selected segment
Random Sample - Every member of the population has an equal chance of being included in the sample.
Representative sample - A sample in which people known to possess certain characteristics are included in proportion to their numbers in the populations being studied.
Experimental Group
Control Group
Correlation - Indication of the degree of relatedness between two variables
Positive Correlation - Direct relationship between two variables.
Negative Correlation - Indirect relationship between two variables.
Correlation Study - Assess the relationship between already existing variables
Surveys - Information about people…is obtained by asking them all the same questions
Case Study - Intensive investigation of one or a few individuals, usually with reference to a single psychological phenomenon
Naturalistic Observation - Observe and record behavior in natural setting
Participant Observation - Members of a research team actually join an existing group to record events and impression that are accessible only to group members.
Descriptive Statistics - Summarize data collected for a sample population
Central Tendency
Mean/Median/Mode/Range/Normal Distribution/Standard Deviation/Variance
Correlation Coefficients - [-1,1]
Inferential Statistics
Null Hypothesis
Probability
Statistical Significant - Probability that results are due to chance
Experimenter Bias
Double Blind - Neither the experimenter nor subjects know which subjects belong to the experimental group and which belong to the control group.
Demand Characteristics - Subject responding in a way that seems to be demanded by the situation
Replication -
Intersubject Replication -
Intrasubject Replication -
External Validity - Can be generalized to the public
Internal Validity - Results caused by independent variable
Reliability -
Placebo Effect-
Ex Post Facto -
Emic Approach - One culture
Etic Approach - Generalization
Debriefing -
Longitudinal - Over time
Laboratory Stud -
Matched Pairs -
Repeated Measures
ID4 Measures - Chaos
Experiment- Cause/effect, study NO
Cross-sectional - Multi-demographics
