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Chapter 3

Behaviour Modification ch3.docx

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University of Toronto Scarborough
Konstantine Zakzanis

Behaviour ModificationChapter 3 January 312012 Graphing Behaviour and Measuring ChangeThe primary tool to use to graph behaviour change is graphing A graph is a visual representation of the occurrence of a behaviour over time a graph is efficient because it shows the results of recording during many observation periods graph makes it easier to compare the levels of the behaviour before during and after treatment Components of a Graph each data point on the graph gives us when the behaviour was recorded and the level of behaviour at that time time is indicated on the horizontal axis abscissa and the level of behaviour on the vertical axis ordinate6 components are necessary in order for a graph to be complete o The y axis and the x axisx is longer then the yaxiso The labels for the y and x axiso The number of the y and x axison y they represent the units of measure of the behaviour and the x represent the units of measurement of timeo Data pointsthe level of behaviour that occurred at each particular time period Taken from the data sheet and is connected to the adjacent data points by a lineo Phase linesa vertical line on the graph that indicates a change in the treatment A phase is a period in which the same treatment is in effect Data points are not connected across phase lineso Phase labelsappears at the top of the graph above the phase usually labelled the nontreatment and the treatment phase baseline is the label usually given to the nontreatment phaseThe b
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