Accuracy
The degree to which what was measured (observed value) is representative of what actually occurred (true value); in other words, the data was measured correctly.
C. Measurement, Data Display, and Interpretation
Bar graph
A chart that displays data using rectangular bars or columns that represent unrelated discrete sets of data with a common dimension.
Celeration
A measure of the change (i.e., increase or decrease) in the rate of a behavior over a period of time. Answers the question: How did the rate of behavior change
6th Edition TCO
Condition change lines
Vertical lines, drawn upward from the x-axis to the top of the graph, that separate the points in time of different independent variable conditions or important changes within a treatment
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6th Edition TCO
Continuous measurement
A measurement procedure in which every instance of a target behavior is recorded during a specific period of time.
Cost-benefit analysis
An analysis of the potential costs and benefits of implementing a behavioral technology (e.g., an assessment, or intervention).
Count
A measurement that directly summarizes the number of occurrences of a given response/behavior. Answers the question: How many times did the behavior occur, or how many of something were produced?
6th Edition TCO
Cumulative record
A continuous graph to which new data are added, visually displaying the cumulative total of the behavior over time. Hint: Think of this as a visual display of a collection,
Dana Do’s: All the Validities in ABA, Explained
PTB founder Dana Meller helps connect each of the validities to the validity of this explanation.
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Dana Do’s: Breaking Down a BCBA®/BCaBA® Mock Exam Question About Operational Definitions
PTB founder Dana Meller answers a follower request for an explanation around a mock question posted on social about the impact of an incomplete operational definition on trustworthy measurement.
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Dana Do’s: How to Decipher the Many Forms of Validity
It’s particularly meaningful to be able to tell validity, social validity, internal, and external validity apart. PTB founder Dana Meller has some tips to do just that.
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Dana Do’s: How to Define the Markers of Trustworthy Measurement
PTB co-founder goes into the three factors that define trustworthy measurement– “validity”, “reliability” and “accuracy”. But what’s the difference between each? Dana explains.
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