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427000
Single case, quasi experimental and developmental research
Description
PSYB01 (Mind Maps) Mind Map on Single case, quasi experimental and developmental research, created by andreaarose on 09/12/2013.
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almost 11 years ago
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Resource summary
Single case, quasi experimental and developmental research
Single case experimental designs
Also called single participant designs
Subject's behaviour is measured over time during a baseline control period
Change from baseline to treatment periods is evidence of the effectiveness of the manipulation
Reversal designs
A (baseline), B (treatment), A (baseline)
Can also be ABAB or ABABAB
Also called a withdrawal design
Tests what happens when the treatment is removed
Multiple baseline designs
Effectiveness of treatment shown if behaviour changes after the manipulation
Observed under multiple circumstances
Program evaluation
Research on programs that are proposed to achieve a positive effect on a group
Needs assessment
Is there actually a problem?
Program theory assessment
How will the problem be addressed?
Process evaluation
Is the program addressing the needs properly?
Outcome evaluation
Are the intended outcomes being realized?
Efficiency assessment
Is the cost of the program worth the outcome?
Quasi experimental design
Used when true experimental designs cannot be achieved
One group post test only design
Lacks a control group and random assigment
Ex - time it takes a stranger to get up after sitting beside them
One group pre test post test only design
Change from the pre and post test can be computed
Non equivalent control group design
Employs a control group but two conditions are not equal b/c random assignment is not used
Non equivalent control group pre test post test design
Assignment is not random
Can compare pre test/post test results
Interrupted time series design
Multiple pre tests and post tests to examine natural manipulations in society
Control series design
Same as interrupted time series design, but with a control group
Threats to internal validity
History
An event that occurs that is not part of the manipulation
Maturation
People changing over time
Testing
Simply taking the pre test can change behaviour
Instrument decay
The measuring instrument or the way participants use it changes over time
Regression towards the mean
Occurs when participants are chosen for high/low scores
Developmental research design
Longitudinal cross sectional method
Same group of people are studied at different points in time
Cross sectional method
Persons of different ages are studied at one point in time
Sequential method
Begins with the cross sectional methods, then studies the same groups with the longitudinal method
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