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BEHP5012 > Unit 4 > Flashcards

Unit 4 Flashcards

1
Q

Visual data analysis

A

A systematic form of data examinationcharacterized by visual inspection of graphical displays of those data.

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2
Q

The Process of Visual Analysis

A
  1. Taking an overview of an entire data display, noting its general characteristics.
  2. Specific data inspection and analysis
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3
Q

The Purpose of Visual Analysis

A

To answer 2 basic questions:1.Was there a meaningful change in behavior? 2.To what extent can the change be attributable to a specific environmental change?

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4
Q

Types of data display

A

Embedded in text. Presented in summary form (usually numerically in a data table) Graph

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5
Q

Graph

A

A relatively simple visual format for displaying data that provide visual representations of relationships between a series of measurements and relevant variables

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6
Q

Graphic displays used in ABA

A

Equal interval line graph Cumulative records Bar graph(Histogram) Semi logarithmic graphs(standard celeration chart)

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7
Q

Equal interval line graph(Simple line graph)

A

The most commonly used graph in ABA. 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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8
Q

Describe Equal interval line graphs

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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9
Q

Common Uses of Line Graphs

A

Charting ABA data To evaluate treatment effectiveness. Used in functional analyses

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10
Q

Parts of an Equal Interval Line Graph

A

Horizontal X-axis; Vertical Y-axis; Data points; The data path; Condition and phase change lines; Condition and phase change labels; Figure legend

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11
Q

Horizontal Axis

A

X-axis. The abscissa. Represents the passage of time

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12
Q

Vertical Axis

A

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

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13
Q

X-Axis Units

A

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

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14
Q

Y-Axis Units

A

Equal movements up the Y-axis represent equal increases in the behavior; shouldbe expressed in whole time units

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15
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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16
Q

Data Point

A

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

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17
Q

Data Path

A

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

18
Q

Phase Changes

A

Represent a major change in the IV,OR a major (usually permanent) change in the environment

19
Q

Phase ChangeLines

A

A solid vertical line placed at a point along the X-axis indicating the point in time that the phase change occurred

20
Q

Condition Changes

A

Represent a minor change in the IV,OR a minor (usually temporary) change in the environment

21
Q

Condition Change Lines

A

A dotted vertical line placed at a point along the X-axis indicating the point in time when the condition changed

22
Q

X-axis Label

A

States whichtime periods are represented by each successive data point

23
Q

Y-axis Label

A

States which response measure was used to measure the dependent variable –the target behavior

24
Q

Phase Labels

A

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

25
Q

Condition Labels

A

Mark changes occurring within a phase

26
Q

Figure legend

A

A concise statement that provides you with:Sufficient information to identify the DVs and IVs, and Possibly other salient information necessary to visually interpret the data.

27
Q

4 primary graph characteristics that contribute to visual analysis

A

Level; Variability; Trend; The number of data points

28
Q

Level

A

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

29
Q

Trend

A

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

30
Q

3 Possible Trends

A

Increasing; Decreasing; Zero (no trend)

31
Q

Variability

A

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

32
Q

Median Level

A

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

33
Q

Trend Line

A

A straight line drawn through a series of graphically displayed data points that represent the direction and degree of trend

34
Q

Best Fit Line

A

A trendline that bisects the data, with close to an equal number of data points above the line and below the line

35
Q

Split Middle Line of Progress

A

A mathematical way to calculate trend

36
Q

3 Data points

A

The minimum number of data points necessary to establish trend, variability or level of data

37
Q

Cumulative Record

A

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

38
Q

Cumulative Recorder

A

An automated device that automatically creates a graph of the subject’s behavior

39
Q

Bar Graph (Histogram)

A

No distinct data pointsbut rather the vertical axis represents the value of a DV and the horizontal axis represents a phase, condition, or classification variable

40
Q

Uses of Bar Graphs

A

To summarize and compare data for different groups or subjects and/or different conditions. Tocompare sets of data that are not related to one another by a common underlying dimension by which the horizontal access can be scaled

41
Q

Standard Celeration Chart

A

Enables the charting of celeration (a factor by which rate of behavior multiplies or dividesper unit of time). Used in Precision Teaching.

BEHP5012 (5 decks)

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