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ABA551Assignment1StudentPre-SubmissionChecklist.pdf
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ABA551Assignment1StudentPre-SubmissionChecklist.pdf

ABA551 Assignment 1

Behavioral Measurement and Interobserver Agreement

Student Pre-Submission Checklist

Use this checklist before submitting your assignment. Confirm that each requirement is complete and that your work

is consistent with the full assignment instructions and grading rubric.

Part I: Preparing for Data Collection

☐ I summarized the home-based observation scenario, identified hitting and throwing objects as the target behaviors, and

explained why behavioral data are being collected.

☐ I selected and defined an appropriate behavioral measure and measurement method for hitting.

☐ I selected and defined an appropriate behavioral measure and measurement method for throwing objects.

☐ I explained whether each measurement procedure is continuous or discontinuous and why.

☐ I explained why the selected procedures should produce representative data for the target behaviors.

☐ I identified relevant environmental constraints or limitations that could affect data collection during the home

observation.

☐ I described at least two potential threats to validity, accuracy, and/or reliability and explained how each could affect the

data.

☐ I described practical safeguards for reducing or monitoring the identified threats.

☐ My Part I response is approximately 3-4 paragraphs and addresses every required prompt.

Part II: Observation and Data Collection

☐ I watched the full 2.5-minute observation video and used the operational definitions provided in the assignment.

☐ I collected data for both hitting and throwing objects using the measurement procedures selected in Part I.

☐ I recruited a second observer and provided that observer with the same operational definitions and measurement

instructions.

☐ The second observer collected data independently and did not review my results before completing the observation.

☐ I reported my data and the second observer’s data for both target behaviors.

☐ If I reported rate in addition to frequency, I calculated it using the 2.5-minute observation duration and showed the

calculation.

Interobserver Agreement (IOA)

☐ I calculated Total Count IOA separately for hitting and throwing objects.

☐ I used the correct formula: smaller total count ÷ larger total count × 100.

☐ I showed the work for both IOA calculations rather than reporting only the final percentages.

☐ I interpreted each IOA result using the commonly used 80% benchmark.

☐ If an IOA value is below 80%, I explained what should be reviewed, clarified, or retrained before relying on the

measurement system.

☐ I summarized the two observers’ results and explained what the IOA values indicate about the reliability of the

observational data.

Writing, Format, and Final Review

☐ I completed both Part I and Part II and responded to every required element.

☐ I used behavior-analytic terminology accurately and wrote in my own words.

☐ I used Times New Roman, 12-point font.

☐ I included the required first-page information: course number and name, assignment title, assignment number, my

name, date and instructor name.

☐ I reviewed the Assignment 1 grading rubric and compared my work with each criterion.

☐ I proofread for clarity, grammar, spelling, calculation errors, and missing information.

☐ If I used AI tools, I completed the required AI Use Declaration and followed the course AI policy.

☐ I saved my file using the required name: LastName, FirstName, ABA551 Assignment 1.

☐ READY TO SUBMIT

I have completed the checklist above and verified that my submission meets the assignment requirements.

ABA551Assignment1Rubric.pdf

ABA551 Research Methods in Behavior Analysis

Assignment 1 Rubric

Behavioral Measurement and Interobserver Agreement | 100 Points

Criterion Exemplary Proficient Developing Limited/Not Evident

1. Scenario Summary & Observation Purpose Maximum: 8 points

8 points Accurately summarizes the home- based observation scenario, identifies both target behaviors, and clearly explains the purpose of collecting behavioral data.

6 points Summarizes the scenario, target behaviors, and observation purpose accurately with only minor omissions or limited detail.

4 points Provides a partial or vague summary; one target behavior or the purpose of data collection is missing or unclear.

0 points Does not adequately summarize the scenario, identify the target behaviors, and/or explain the purpose of the observation.

2. Measurement Systems, Classification, and Justification Maximum: 22 points

22 points Selects appropriate measurement procedures for both target behaviors; accurately defines what will be measured and how data will be recorded; correctly classifies each system as continuous or discontinuous; and clearly justifies why each procedure should produce representative data.

17 points Selects appropriate procedures for both behaviors and generally explains recording, classification, and representativeness, with minor gaps or imprecision.

11 points Shows partial understanding; one procedure is weakly justified or explanation of recording, continuous/discontinuous classification, or representativeness is incomplete or partly inaccurate.

0 points Measurement procedures are inappropriate or unsupported, and/or major required explanations are missing or substantially inaccurate.

3. Environmental Constraints & Measurement Limitations Maximum: 12 points

12 points Identifies relevant home-observation constraints and limitations of the selected measurement systems and clearly explains how they could affect data quality or representativeness.

9 points Identifies relevant constraints and limitations and generally explains their effects, with minor gaps in application or detail.

6 points Identifies some plausible constraints or limitations but explanation of their effect on measurement quality is incomplete, vague, or only partly applicable.

0 points Does not identify meaningful environmental constraints/measurement limitations or does not explain their effect on the data.

4. Threats to Data Quality & Safeguards Maximum: 16 points

16 points Identifies at least two credible threats to validity, accuracy, and/or reliability; clearly explains how each could occur and affect the data; and provides feasible, well-matched safeguards for each threat.

12 points Identifies at least two relevant threats with generally appropriate explanations and safeguards, but one element lacks depth or precision.

8 points Identifies threats but classification, impact, or safeguards are incomplete, weakly connected to the scenario, or partly inaccurate.

0 points Does not identify at least two credible threats and/or fails to explain their effects and appropriate safeguards.

5. Observational Data from Two Independent Observers Maximum: 14 points

14 points Reports data for both hitting and throwing objects from the student and a second independent observer; applies the stated operational definitions and selected procedures consistently; data are complete and plausible for the observation.

11 points Reports both observers’ data for both behaviors with only minor omissions, small plausible discrepancies, or limited explanation.

7 points Reports incomplete observer data and/or shows inconsistent application of definitions or procedures that weakens confidence in the observations.

0 points Does not provide usable data from two observers for both target behaviors and/or data collection is not meaningfully aligned with the required procedures.

6. Total Count IOA Calculations & Interpretation Maximum: 20 points

20 points Correctly calculates Total Count IOA separately for hitting and throwing objects using smaller total ÷ larger total × 100; shows all work; accurately reports each percentage; interprets each result using the 80% benchmark; and gives appropriate corrective action for any result below 80%.

15 points Calculates and interprets IOA correctly for both behaviors with only minor arithmetic, presentation, or explanation issues.

10 points Demonstrates partial understanding but one calculation, formula application, benchmark interpretation, or corrective-action explanation is incomplete or inaccurate.

0 points IOA calculations are missing or substantially incorrect, the required Total Count method is not used, and/or results are not meaningfully interpreted.

7. Professional Writing, Organization, APA, and Required Format Maximum: 8 points

8 points Follows Part I and Part II organization expectations; writing is clear, professional, and graduate-level; behavior-analytic terminology is precise; required Word/APA formatting, as applicable, step-by-step calculations, and file-naming expectations are followed.

6 points Writing and organization are professional and requirements are mostly followed; minor APA, terminology, formatting, calculation- presentation, or proofreading issues are present.

4 points Meaning is generally understandable, but multiple writing, organization, APA, terminology, formatting, or requirement issues are present.

0 points Writing/organization substantially interferes with clarity and/or major required-format elements are missing.

Scoring Notes for Students

Each criterion is scored at one of the four fixed point values shown above. The criterion descriptions indicate the evidence expected in your submitted work. Small observer-to-observer

differences in event counts may occur; grading considers whether you applied the operational definitions and measurement procedures appropriately and calculated IOA correctly using the

data you and your second observer obtained. Review the full assignment instructions and student checklist before submitting.

ABA551Assignment1Template3.docx

ABA551 Assignment 1

Behavioral Measurement and Interobserver Agreement

Student Assignment Template

Student Name	[Enter your name]
Date	[Enter date]
Course	ABA551 Research Methods in Behavior Analysis
Instructor	[Enter instructor name]

How to Use This Template

Type your responses directly into the designated areas. Replace bracketed placeholder text with your own work.

Complete every section in Part I and Part II. Part I should total approximately 3-4 paragraphs.

Use the same operational definitions and measurement procedures for both observers.

The second observer must collect data independently and should not see your results before completing the observation.

Show each Total Count IOA calculation step-by-step using the formula provided.

Use Times New Roman, 12-point font and APA 7th edition conventions.

Part I: Preparing for Data Collection

Write 3-4 paragraphs addressing all four prompts below. You may draft beneath each prompt and then revise for a coherent final response.

1. Scenario Summary and Observation Purpose

Briefly explain the background of the situation.

Identify hitting and throwing objects as the two target behaviors.

Explain why behavioral data are being collected.

Student Response: [Type your response here.]

2. Measurement System for Hitting

State and define the selected behavioral measure and measurement method.

Explain what will be counted or scored and how the data will be recorded.

Identify whether the measurement system is continuous or discontinuous and explain why.

Explain why the system should produce representative data for hitting.

Student Response: [Type your response here.]

3. Measurement System for Throwing Objects

State and define the selected behavioral measure and measurement method.

Explain what will be counted or scored and how the data will be recorded.

Identify whether the measurement system is continuous or discontinuous and explain why.

Explain why the system should produce representative data for throwing objects.

Student Response: [Type your response here.]

Part I: Preparing for Data Collection (continued)

4. Environmental Constraints and Measurement Limitations

Identify environmental constraints that may affect data collection during a home-based observation.

Explain limitations associated with the measurement systems you selected.

Describe how these factors could affect the quality or representativeness of the data.

Student Response: [Type your response here.]

5. Threat to Data Quality #1

Identify whether the threat concerns validity, accuracy, and/or reliability.

Describe how the threat could occur and how it could affect the data.

Describe at least one safeguard you would implement.

Student Response: [Type your response here.]

6. Threat to Data Quality #2

Identify whether the threat concerns validity, accuracy, and/or reliability.

Describe how the threat could occur and how it could affect the data.

Describe at least one safeguard you would implement.

Student Response: [Type your response here.]

Part II: Data Collection and Interobserver Agreement

Watch the full 2.5-minute observation video and collect data using the procedures you selected in Part I. Then have a second observer independently collect data using the same operational definitions and measurement instructions.

Operational Definitions

Hitting: Any instance in which Ava makes forceful physical contact between her hand, fist, arm, or an object held in the hand and another person's body, resulting in an audible sound, visible movement of the other person's body, or reported physical impact.

Throwing Objects: Any instance in which Ava releases an object from her hand or arm with force in an outward motion through the air, resulting in the object traveling at least 12 inches away from her, regardless of whether it strikes a person, surface, or object.

Important: The second observer should complete the observation independently and should not review your data before collecting their own.

Observation Data Summary

Target Behavior	Measurement Method	Your Data	Observer 2 Data	Units
Hitting	[Enter method]	[Enter result]	[Enter result]	[e.g., count or rate]
Throwing Objects	[Enter method]	[Enter result]	[Enter result]	[e.g., count or rate]

Optional Rate Conversion (if used): Rate = total count ÷ 2.5 minutes. Show the calculation if you report rate in addition to frequency.

Rate Calculation(s), if applicable: [Type your response here.]

Part II: Total Count IOA

Formula: Total Count IOA = (smaller total count ÷ larger total count) × 100

Calculate IOA separately for hitting and throwing objects. Show all work clearly.

Hitting - Total Count IOA

Your total count	[Enter count]
Observer 2 total count	[Enter count]
Smaller count ÷ larger count	[Show calculation]
× 100	[Show calculation]
Hitting IOA	[Enter percentage]%

Interpretation: [State whether the hitting IOA meets the commonly used 80% benchmark. If it is below 80%, explain what should be reviewed or retrained before relying on the measurement system.]

Throwing Objects - Total Count IOA

Your total count	[Enter count]
Observer 2 total count	[Enter count]
Smaller count ÷ larger count	[Show calculation]
× 100	[Show calculation]
Throwing Objects IOA	[Enter percentage]%

Interpretation: [State whether the throwing-objects IOA meets the commonly used 80% benchmark. If it is below 80%, explain what should be reviewed or retrained before relying on the measurement system.]

Part II Summary: [Briefly summarize the two observers' results, both IOA values, and what the agreement levels indicate about the reliability of the observational data.]

Student Response: [Type your response here.]

Final Submission Check

☐ I completed Part I and Part II.

☐ I selected and justified measurement procedures for both target behaviors.

☐ I addressed environmental constraints and at least two threats to data quality.

☐ The second observer collected data independently using the same definitions and procedures.

☐ I reported data from both observers for both target behaviors.

☐ I calculated Total Count IOA separately for hitting and throwing objects and showed my work.

☐ I interpreted each IOA value using the 80% benchmark.

☐ I reviewed the grading rubric and proofread my work.

☐ I will save the file as: LastName, FirstName, ABA551 Assignment 1.