# Chapter 3 notes

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26 Feb 2011
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Behaviour Modification Ch3
GRAPHING BEHAVIOUR AND MEASURING CHANGE
Graphs are used to identify the level of behaviour before treatment and after treatment
begins
Long period after treatment has been implemented is called follow up period
Component of a graph
Time goes on x-axis, level of behaviour goes on y-axis
Six components are necessary
1.y-axis, and x-axis
2.Labels for x-axis and y-axis
3.Numbers on x-axis and y-axis
4.Data points(connected to each other)
5.Phase lines
Line that indicates a change in treatment (from no treatment to treatment)
6.Phase labels
No treatment = baseline
Treatment phase = specific treatment us ed
Graphing Behavioural Data
Behaviour is recorded on data sheet-then put on graph
Graphing Different Dimensions of Behaviour
What changes is y-axis label and numbering on y -axis
For y-axis use percentage of behaviour
For other aspects of behaviour clearly label it so it properly describes it
RESEARCH DESIGNS
Used to determine whether or not the treatment (independent variable) was responsible
for observed changes in behaviour
Extraneous variable = confounding variable
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## Document Summary

Graphing behaviour and measuring change: graphs are used to identify the level of behaviour before treatment and after treatment begins, long period after treatment has been implemented is called follow up period. Graphing behavioural data: behaviour is recorded on data sheet-then put on graph. Graphing different dimensions of behaviour: what changes is y-axis label and numbering on y -axis, for y-axis use percentage of behaviour, for other aspects of behaviour clearly label it so it properly describes it. Just two phases: a = baseline, b = treatment, can see if behaviour changes after treatment is implemented, does not show a functional relationship because the phases aren"t replicated, therefore not a true research design. A-b-a-b design: baseline and treatment phases are implemented twice, careful: not ethical to remove treatment in second baseline if behaviour is dangerous (self-harm, sometimes you can"t remove the treatment because its impossible if treatment was teaching something.

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