Section C-8

Threats to Validity Exposed: When Misleading Data Plays Tricks on Your Perception

Test your knowledge of measurement procedures with PTB co-founder Dana Meller as she explains, in detail, one of the threats to validity with several corresponding examples. Dana also shares a clever memorization study tip that will help you on the Big exam.

Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

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Test your ABA Terminology ➠ Indicators of Trustworthy Measurement

Test your knowledge with PTB co-founder Dana Meller as she explains the specific indicator of trustworthy measurement that corresponds with repeated measurement yielding the same result. Included is a description of all three indicators of trustworthy measurement validity, accuracy, and reliability.

Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

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Test your ABA Terminology ➠ Confounding Threats to Internal Validity

Test your knowledge of measurement confounds with PTB co-founder Dana Meller as she discusses one of the four types of threats to internal validity, with corresponding examples.

Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

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Questing for the Gold Standard of IOA Agreement

PTB co-founder Dana Meller discusses Interobserver Agreement (IOA) and its significance in behavior analysis. Discover the desired percentage of agreement for IOA and its role in increasing data credibility and evaluating intervention effectiveness.

Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

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Dana Do’s: Why IOA Math Should Not Intimidate You

PTB co-founder takes some of the fear out of the interobserver agreement math with simple tips that can help narrow your discrimination.

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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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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 co-founder Dana Meller has some tips to do just that.

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Breaking Down a BCBA® Mock Exam Question: The #1 Threat to Accuracy and Reliability

Test your measurement knowledge with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about the key indicators of trustworthy measurement, revealing the most significant threat facing accuracy and reliability. Dana provides insight into the distinctions between reliability, validity, and accuracy and how they relate to measurement.

BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

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BCBA® Mock Exam Question: IOA Battle Royal: Which Formula Gets Knocked Out?

Breaking Down a BCBA® Mock Exam Question: It’s the IOA Battle Royal. Which Formula Gets Knocked Out?

Sharpen your measurement skills with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about IOA and helps explain the different formulas used for time sampling measurements. Dana covers four IOA formulas: Interval-by-Interval, Scored Interval, Trial-by-Tial, and Unscored Interval; and highlights key considerations and pitfalls associated with each.

BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

Breaking Down a BCBA® Mock Exam Question: It’s the IOA Battle Royal. Which Formula Gets Knocked Out? Read More

Mock BCBA® Exam Question Breakdown: Interobserver Agreement (IOA) Facts & Rules to Live By

Break Down a Mock BCBA® Exam Question: Interobserver Agreement (IOA) Facts & Rules to Live By

Test your Measurement, Data Display, and Interpretation skills with PTB co-founder Dana Meller as she reviews a BCBA® mock exam question about several #interobserveragreement (IOA) facts, with rules to live by. Here, Dana highlights a variety of important IOA benefits, as well as IOA percentage of agreement criteria details and the different reporting options.

Refer to BCBA® Task List (5th ed.) Section C-8: Evaluate the validity and reliability of measurement procedures.

Break Down a Mock BCBA® Exam Question: Interobserver Agreement (IOA) Facts & Rules to Live By Read More