BACB Section A
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| Frequency | Number of times behavior occurs
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| Rate | Frequency of the behavior divided by a standard period of time.
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| Duration | The total time elapsed between the start of the behavior and its completion.
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| Latency | Recording the time that elaspes from the signal to begin until the response occurs; time elapsed from signal until initiation of respons
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| IRT- Interresponse Time | The time from offset of a response to onset of the next response; time elasped from 1 response to the next response
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| Percent of Occurrence | you must report the number of response opportunities and the percentage responded to correctly; number of times the event occurred per 100 opportunities that the event could have occurred
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| Trials to Criterion | A measure of the number of response opportunities needed to achieve a predetermined level of performance criteria
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| Repeatability | Count, Rate, Celeration
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| Temporal Extent | Duration
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| Temporal Locus | Latency, IRT
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| Derivative Measures | Percentage and Trials to Criterion
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| Definitional Measures | Topography and Magnitude
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| Procedures for Measuring Behavior | Event Recording, Timing and Time Sampling
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| Topography | Form or shape of the response
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| Magnitude | Force/ intensity/ severity of a behavior
Certain responses needed to be emitted at specific levels of intensity
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| Continuous Measurements | All instances of the response class of interest are detected during the observation period
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| Discontinuous Measurements | Some instances of the response class of interest may NOT be detected
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| Types of Discontinuous Measurements | Time Sampling methods/Interval recording methods: Whole Interval, Partial Interval, Momentary Time Sampling
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| 3 Forms of Time Sampling | Whole Interval, Partial Interval and Momentary Time Sampling
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| Whole Interval | Behavior must occur the entire interval in order to be scored; Underestimates the rate of behavior, increase behavior
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| Partial Interval | Overestimates the rate of a behavior, Behaviors must occur at anytime during interval to be scored
At the end of each interval, record whether the target behavior occurred at any time during the interval.
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| Momentary Time Sampling | Over-or Under estimates or neither
At the end of that time interval only in order to be scored
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| Use MTS When....... | Observational constraints because you do not have to continuously measure throughout the entire interval.
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| PLACHECK | Planned Activity Check: A variation of MTS for groups.
The observer simply counts the number of individuals who are actually engaged in the assigned activity at a particular moment.
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| Accuracy | TRUE VALUE. The extent to which the observed value matches the true value of an event.
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| Reliability | The extent to which a measurement procedure yields the same value when brought into REPEATED contact with the same state of nature. SAME results REPEATEDLY
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| Measurement Artifacts | Discontinuous Measurements, Poorly Scheduled Measurement Periods, Insensitive/Limited Measurement Scales
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| Observer Drift | When observers unknowingly alter the way they measure a behavior. Unintended changes in the way data are collected produce measurement error
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| IOA-Interobserver agreement | Reporting IOA increase believability that the data is trustworthy and deserving of interpretation
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| VALID IOA must | Same Measurement System, Same Event and Observers must be Independent
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| 4 Event Recording IOA: | Total Count IOA, Mean per Interval IOA, Exact Count per Interval IOA and Trial by Trial IOA
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| Timing/Duration | Total Duration IOA, Mean Duration (IRT) per Occurrence IOA
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| Time Sampling IOA | Interval by Interval, Scored Interval and Unscored Interval
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| Total Count | Totally easy- Smaller #/Larger # x 100
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| Mean Count-per-Interval | Each interval is calculated between the count of the 2 observers within each interval.
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| Exact Count-per Interval | STRICT EVENT RECORDING IOA METHOD!
# of intervals of 100% IOA Agreement / Total # of Intervals x 100%
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| Trial by Trial IOA | # of Trials of Agreement/Total # of Trials x 100%
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| Total Duration IOA | Shorter Duration/Longer Duration x 100
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| Mean Duration (IRT) per occurrence IOA | Used to calculated duration per occurrence data
Mean from Response 1+2+3.../Total # of Duration IOA
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| Interval by Interval IOA | # of Interval BOTH recorders are in Agreement IOA/ Total # of Intervals x 100
Likely to overestimate the actual agreement measuring behaviors that occur at very high or low rates
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| Scored Interval IOA | Only uses intervals in which BOTH observers scored an occurrence of the behavior to calculate the IOA.
# of Intervals BOTH recorders recorded Occurrence /# of Intervals at LEAST ONE observer Recorder Occurrence x 100
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| Unscored Interval IOA | # of Intervals BOTH recorders Recorded Non-Occurence/# of Interval at LEAST one Recorder Recorded Non Occurrence x 100
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| IOA Should Occur | 20% of the time at 80% closer to 100% is better
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| Equal Interval Graph | x and y axis; Line, Bar, Cumulative Record, Scatterplot and Standard Celeration Chart
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| Cumulative Record | A cumulative recorder enables a subject to draw his/her own graph. Called "cumulative" because you keep adding on responses during each observation period to the total number of all previously recorded responses.
y axis= total # of responses from start
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| 2 Types of Cumulative Record Response Rates | Overall Response Rate: An average rate of response over a given time period, such as during a specific session or phase in a study.
Local Response Rate: An average rate of response during periods of time smaller
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| Types of Preference Assessment | Ask the Person, Observe the person, Trial Based Method (MSW, MSWO)
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| Types of Reinforcer Assessment | Progressive Ratio, Concurrent, Multiple, NCR
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| Progressive Ratio Schedule | gradually requires more responses per presentation of the preferred stimulus until a breaking point is reached and the response rate declines
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| Concurrent Schedule | When two or more contingencies of reinforcement operate independently and simultaneously for two or more behaviors
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| Multiple Schedule of Reinforcement | gradually requires more responses per presentation of the preferred stimulus until a breaking point is reached and the response rate declines
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