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CA (170,000)
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Psychology (10,000)
PSYB45H3 (1,000)
Chapter 2

# Chapter 2 Notes

Department
Psychology
Course Code
PSYB45H3
Professor
Zachariah Campbell
Chapter
2

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Chapter 3: Graphing Behaviour and Measuring Change
Graph: visual representation of occurrence of behaviour over time
oUseful for comparing levels of behaviour over time
Long period after treatment is implemented is called follow-up period
COMPONENTS OF A GRAPH
Abscissa: x-axis (time)
Ordinate: y-axis (level of behaviour)
6 components of graph
oY and x-axis
oLabels of axis
oNumbers on axis
oData points
oPhase lines (vertical line that shows change in treatment)
oPhase labels (e.g. baseline (no treatment) and name of treatment
GRAPHING BEHAVIOURAL DATA
Allows you to easily see trend of behaviour
GRAPHING DIFFERNET DIMENSIONS OF BEHAVIOUR
Different dimensions of behaviour will have different y-axis labels and types of
numbering on it
oE.g.% of math problems completed correctly will use 0 to 100% for numbers
Interval recording uses y-axis label percentages of intervals of (behaviour)”
oX is labeled time period behaviour was recorded (e.g. sessions or days)
Session is period where target behaviour is observed and recorded,
when treatment starts, its implemented during session
RESEARCH DESIGNS
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Research design: Sets timing of baseline and treatment, attempts to show
relationship btw treatment (IV) and behaviour (DV)
oIndependent variable is whats manipulated to produce change in beh.
oDependent variable: target behaviour
oConfounding variable: unexpected, extraneous variable that may have
affected behaviour
Functional relationship: showing behaviour mod procedure causes target
behaviour to change
oEstablished when:
1.Target beh. changes when IV is manipulated & all other vars. held
constant
2.Process is replicated and has same change
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