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BEHP5012 Units 1-9 > Unit 4 > Flashcards

Unit 4 Flashcards

1
Q

Visual data analysis

A

A systematic form of data examination, characterized by visual inspection of graphical displays of those data

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2
Q

Types of data display

A
  1. Data may be embedded in text
  2. Data may be presented in summary form, usually as a structured data table (a numerical representation of data)
  3. Data may be presented in graphical form (a visual representation of data)
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3
Q

Graph

A

A relatively simple visual format for displaying data

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4
Q

Graphic displays used in ABA

A

Equal interval line graph
Cumulative records
Bar graph
Semi-logarithmic graphs

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5
Q

Equal interval line graph

A

Based on a Cartesian* plane, a two-dimensional area formed by the intersection of two perpendicular lines (one vertical, one horizontal)

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6
Q

Simple Line Graph

A

Any point within the plane of the chart represents a specific relationship between the two variables (dimensions) measured along each of the axis lines

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7
Q

Common Uses of Line Graphs

A

Most commonly used format for charting ABA data
Used to evaluate treatment effectiveness
Used in functional analyses

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8
Q

Parts of an Equal Interval Line Graph

A 
The horizontal x-axis
The vertical y-axis
Data points
The data path
Condition and phase change lines
Condition and phase change labels
Figure legend
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9
Q

Horizontal Axis

A

X-axis
The abscissa
Represents the passage of time

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10
Q

Vertical Axis

A

Y-axis
The ordinate
Represents the range of values of the dependent variable

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11
Q

X-Axis Units

A

Can be marked according to the needs of the behavior analyst, to promote the most useful analysis
Can be marked as any specified recorded observation periods, over a period of time

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12
Q

Y-Axis Units

A

Equal movements up the Y-axis represent equal increases in the behavior
The behavior should be expressed in whole time units

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13
Q

Y-Axis Range

A

Runs from zero up to some number which is chosen by the creator of the graph

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14
Q

Data Points

A

An individually measured value of the target behavior (the DV) at a given point in time

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15
Q

Data Path

A

A series of straight lines connecting successive data points within a phase or condition
It represents the relationship between the IV and DV

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16
Q

Phase Changes

A 
Major changes occur in the dependent variable
A major (usually permanent) change in the environment
17
Q

Phase Change Lines

A

Document phase changes placed at a point along the x-axis indicating the point in the time when the phase change occurred
For a clear visual separation between the data charted before the phase change, and the data collected after phase change

18
Q

Condition Change Lines

A 
Minor changes occur in the independent variable
A minor (usually temporary) change in the environment
19
Q

X-Axis Labels

A

States what time periods are represented by each successive data point

20
Q

Y-Axis Labels

A

States what response measure was used to measure the dependent variable- the target behavior

21
Q

Phase Labels

A

Brief labels, placed at the top of the chart, and identify each separate major phase of treatment

22
Q

Condition Labels

A

Mark changes occurring within a phase

23
Q

Figure Legend

A

A concise statement that provides you with:
Sufficient information to identify the dependent variables and i the independent variables, and
Possibly other salient information necessary to visually interpret the data

24
Q

Visual Analysis of a Graph

A

Level
Variability
Trend
The number of data points

25
Q

Level

A

The mean (average) value of a set of data points, usually across an entire condition or phase

26
Q

Trend

A

The overall direction taken by the data path through a set of data points

27
Q

Variability

A

The extent to which measures of behavior under the same environmental conditions diverge from one another

28
Q

Median Level

A

Outlying data points skew the level line in a way that makes it non-representative of the data set as a whole

29
Q

Trend Lines

A

The direction and degree of trend in a series of graphically displayed data points can be visually represented with a straight line drawn through the data

30
Q

Best Fit Line

A

Bisect the data, with close to an equal number of data points above the line as below the line

31
Q

Split Middle Line of Progress

A

A mathematical way to calculate trend

32
Q

Cumulative Record

A

Developed by Skinner as the primary means of data collection and analysis in EAB laboratory research

33
Q

Cumulative Recorder

A

It is primarily used in EAB
Each response moves the ink stylus one unit (click) along its track
When it reaches the end of the track, it resets to zero and begins moving again, one click at a time
Paper moves under the stylus at a steady rate

34
Q

Bar Graph (Histogram)

A

The vertical axis represents the value of a dependent variable
The horizontal axis represents a phase, condition, or classification variable

BEHP5012 Units 1-9 (9 decks)

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