Behavior Measurement Procedures
14 important questions on Behavior Measurement Procedures
What is Behavior Measurement?
What are examples of continuous and discontinuous behavior measurement?
- frequency/rate
- duration
- percentage correct
Discontinuous:
- interval (partial and whole)
- momentary time sampling
What are the dangers of inaccurate data?
- erroneous decision making
- problems with instructor consistency
- inhibits monitoring of actual progress
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What are 2 primary guidelines for data collection?
- Data should be recorded immediately after the occurrence of the behavior to facilitate validity and accuracy.
- Data should contain all relevant information regarding the observation and occurrence of the behavior to provide a complete account of the behavior.
What is Inter Observer Agreement (IOA)?
- High agreement = valid data (high similarity means high reliability, good data)
- Low agreement = invalid data (low similarity means low reliability, problematic data)
What are some considerations for data collection?
- Some behaviors can be easily observed and recorded throughout a session or period of time
- Other behaviors may be difficult to record for extended periods of time
- Continuous vs discontinuous measurement procedures
What are the 2 main categories of recording procedures within continuous measurement?
- Event recording
- Count
- Frequency/rate
- Timing
- Duration
- Latency
- Inter Response Time (IRT)
What is count (from event recording within continuous measurement)?
- Counting the number of times that a behavior occurs
- Appropriate for behaviors that have a very clear, discrete onset and offset
- Requires continuous observation and recording in order to accurately measure
- Used when the observation period is always a consistent length of time
What is frequency (from event recording within continuous measurement)?
- Counting the number of times a particular behavior occurs within a standard unit of time
- Appropriate for behaviors that have a very clear, discrete onset and offset
- Useful measurement for free operant behaviors (behaviors that can happen at any time, not dependent on a certain SD being presented)
What is rate (from event recording within continuous measurement)?
- How often the behavior occurs per unit of time
- Used when the observation period varies in duration
What is duration (from timing within continuous measurement)?
- Measurement of the length of time a behavior occurs, from onset to offset
- Duration can be measured for each behavior or for total cumulative time engaged in the behavior
- Duration of behavior should be reported in standard units of time
- Can be effective for behaviors of long duration
What is Inter Response Time or IRT (from timing within continuous measurement)?
- The amount of time between consecutive occurrences of the same behavior or how much time passes between one occurrence of the behavior to the next occurrence
- Used to determine the average time between occurrences of the behavior
What are 3 other behavior measurement procedures?
- Percentage/trial by trial data
- Permanent Product Data
- Task Analysis Data
What is percentage data/trial by trial data?
- Typically used to determine how often the behavior occurs within a set number of opportunities to respond
- Percentage = the percentage of time the behavior occurs when the opportunity to respond is presented
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