ABA Data Collection Overview

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Questions and Answers

What are the three main types of data collection?

  • Sampling
  • Duration (correct)
  • Interval (correct)
  • Frequency (correct)

What is event recording?

Counting the number of times a behaviour occurs.

What is interval recording?

Recording behaviour in short intervals of time.

What does duration recording measure?

<p>Length of time engaged in a behaviour.</p> Signup and view all the answers

What is time sampling?

<p>Observing behaviour at the end of pre-defined intervals.</p> Signup and view all the answers

What does latency recording focus on?

<p>The time taken to begin a behaviour after a directive.</p> Signup and view all the answers

What is baseline data?

<p>Initial data collected without interventions.</p> Signup and view all the answers

Why do we collect data on behaviour? ______ helps us understand why certain behaviours occur and do not occur, and allows us to determine if our support programs are working or not.

<p>Data</p> Signup and view all the answers

How can the best way to make sense of data collected on behaviour be summarized?

<p>Graphing the data.</p> Signup and view all the answers

The bottom X axis of a line graph shows the __________.

<p>period of time</p> Signup and view all the answers

What does the side Y axis in a line graph represent?

<p>The behaviour summary.</p> Signup and view all the answers

To identify trends in behaviour on a graph, there must be at least __________ data points.

<p>3</p> Signup and view all the answers

What is one of the most important reasons we use graphs?

<p>To determine if a behaviour is occurring more or less often.</p> Signup and view all the answers

Graphing data provides an ________ way of displaying information.

<p>easy symmetric</p> Signup and view all the answers

What must be converted to a usable form in graphing?

<p>Data</p> Signup and view all the answers

Percentage is calculated as # correct responses divided by __________.

<p>Total # of responses</p> Signup and view all the answers

To accurately portray behaviours, baseline data should be taken over __________.

<p>several days</p> Signup and view all the answers

What is one key reason for taking baseline data?

<p>To measure progress after treatment is in place.</p> Signup and view all the answers

What might you find in baseline data?

<p>Patterns of behaviour.</p> Signup and view all the answers

Flashcards

Event Recording

Counting each instance of a behavior during a set time.

Interval Recording

Recording behavior within short, divided time segments.

Duration Recording

Measuring how long a behavior lasts.

Time Sampling

Observing behavior at specific, planned times.

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Latency Recording

Measuring time from instruction to start of behavior.

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Baseline Data

Data collected before intervention to establish a norm.

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Purpose of Data Collection

To spot patterns, reasons for behaviors, and program success.

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Importance of Graphing Data

Visually shows behavior changes over a period.

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Line Graph

Shows behaviour trends using connected points over time.

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Bar Graph

Compares data across categories or time using bars.

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Bottom X Axis

Time period of collection.

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Side Y Axis

Behavior count or frequency.

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Data Points

Each point represents a summary of collected data.

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Graphing Reasons

See frequency trends visually.

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Basic Graphing Rule

At least three data points shows a trend.

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Graphing Data Conversion

Convert raw data into percentages or rates.

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Percentage Calculation

Correct ÷ Total × 100.

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Rate Calculation

Correct ÷ Response time.

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Reasons for Baseline Data

Identifies treatment need, track progress and set goals.

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Study Notes

Types of Data Collection

  • Three main methods: Frequency, Interval, Duration.
  • Choice of method depends on required information and available resources.

Event Recording

  • Involves counting occurrences of a behavior.
  • Requires tallying each instance during a specified observation period, like a 30-minute session.
  • Aims to modify behaviors by providing clear start and end points for observation.

Interval Recording

  • Suitable for continuously occurring behaviors, categorized into short time intervals (10 seconds to 1 minute).
  • Data recorded as "+" if behavior occurs and "-" if it does not.

Duration Recording

  • Measures the total length of time a student engages in a specific behavior.
  • Timing starts when the behavior begins and stops once it finishes.

Time Sampling

  • Involves observing the student only at designated time intervals.
  • Behavior is recorded at the end of each interval, noting if it occurs at that moment.

Latency Recording

  • Focuses on measuring the time taken to initiate a behavior after a directive is given.
  • Requires noting when the instruction is provided and when the student starts the response.

Baseline Data

  • Collected prior to any interventions to track behavior frequency and establish a comparison point.

Purpose of Data Collection on Behavior

  • Helps identify patterns and reasons behind behavior occurrences.
  • Assists in evaluating the effectiveness of support programs.

Importance of Graphing Data

  • Graphs visually represent behavior changes over time, indicating whether behaviors are improving, worsening, or remaining constant.

Line Graph

  • Utilizes points connected by lines to show trends in behavior over time.

Bar Graph

  • Displays data using bars to compare different categories or time periods.

Line Graph Components

  • Bottom X Axis: Represents the time period during which data was collected.
  • Side Y Axis: Summarizes behavior frequency or count of occurrences.
  • Data Points: Each represents behavior summary, connected to illustrate changes over time.

Graphing Reasons

  • Facilitates understanding of behavior frequency trends over time and provides clear visual information on target behaviors.

Basic Graphing Rule

  • At least three data points are necessary to establish a trend in behavior increase or decrease.

Graphing Data Conversion

  • Raw data must be converted into usable formats like percentages, number of correct responses, or rates.

Percentage Calculation

  • Formula: Correct responses ÷ Total responses × 100.
  • Example: 20 correct out of 40 possible = 50% correct.

Rate Calculation

  • Formula: Correct responses ÷ Response time.
  • Example: 20 correct responses in 30 minutes = 0.7 correct/minute.

Baseline Data Collection

  • Measure behavior of interest several times before intervention begins.
  • Essential for evaluating treatment needs and setting reasonable objectives.

Reasons for Baseline Data

  • To identify a need for treatment.
  • To compare against future progress during interventions.
  • To establish realistic treatment goals.

Baseline Data Variability

  • Human behavior often exhibits variability; multiple data points capture this characteristic.

Baseline Patterns

  • Consistent results for recorded behavior indicate a stable pattern, such as a constant rate of specific behaviors occurring.

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