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Chapter 3

Chapter 3 book notes

Course Code
Zachariah Campbell

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Chapter 3: Graphing Behavior & Measurement Change
Graph: visual representation of the occurrence of a behavior over time is efficient
way to view occurrence of behavior during many observation period
oAnalyst use to identify the the level of behavior before, during and after
treatment begins thus, can document changes in behavior during treatment
& make decision about continued use of treatment
oBefore treatment Baseline
oLong period after treatment has been implemented follow up period
Components of a Graph
In typical behavior modification graph: time and behavior are two variables tell 2
info: at what time behavior was recorded & the level of behavior
oTime indicated on horizontal axis : x-axis/ Abscissa
oLevel of behavior indicated on vertical axis: y-axis/ Ordinate
6 components are necessary for a graph to be complete
oY & X- axis : on most graph, x is longer than y- axis usually one to two
oLabels for Y&X-axis
Y usually tell you behavior & dimension of the behavior recorded
X usually tell you the unit of time the behavior was recorded at
oThe number of the Y &X-axis should have a hash mark on axiss to
corresponds to each of the number
Y: indicate the units of measurement of behavior
X: units of measurement of time
oData points should be plotted correctly to indicate the level of behavior that
occurred at each particular time period
Info comes from data sheet or other behavior recording instrument &
data is connected to adjacent data point by a line
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