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Related Experiment Video

Updated: Jul 15, 2025

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National Center for Health Statistics' 2019 Research and Development Survey, RANDS 3.

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    Vital and Health Statistics. Ser. 1, Programs and Collection Procedures
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    Summary
    This summary is machine-generated.

    The Research and Development Survey (RANDS 3) assessed health variables like disability and opioids using experimental question formats. Findings showed comparable demographic and health data between randomized groups, validating survey methodology.

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    Area of Science:

    • Health Services Research
    • Survey Methodology
    • Public Health

    Background:

    • The Research and Development Survey (RANDS) is a series of studies utilizing probability-based survey panels.
    • RANDS 3 specifically focused on health-related questions, including disability and opioid use.
    • Understanding survey methodology is crucial for accurate health data collection.

    Purpose of the Study:

    • To describe the Research and Development Survey (RANDS 3) methodology and present estimates of demographic and health variables.
    • To evaluate the randomization process by comparing estimates between experimental groups.
    • To assess question-response patterns through embedded experiments and probe questions.

    Main Methods:

    • RANDS 3 was conducted by NORC at the University of Chicago for the National Center for Health Statistics in 2019.
    • The survey utilized the AmeriSpeak Panel in a web-only mode with 4,255 individuals sampled.
    • Four sets of experiments randomized participants into two groups to test variations in question wording, format, and order.

    Main Results:

    • A total of 2,646 participants completed the survey, yielding a completion rate of 62.2% and a weighted cumulative response rate of 18.1%.
    • Iterative raking calibrated the sample to 2019 National Health Interview Survey (NHIS) estimates, aligning demographic and health variable distributions (asthma, diabetes, hypertension, high cholesterol).
    • Demographic and health variable distributions were comparable between randomized groups, with the exception of ever-diagnosed hypertension.

    Conclusions:

    • RANDS 3 successfully incorporated health-related questions on disability and opioids within a probability-based survey panel framework.
    • The study demonstrated the utility of embedded experiments for evaluating survey methodology and question-response patterns.
    • RANDS serves as an ongoing platform for examining persistent and emergent research questions in survey methodology.