Purpose

The purpose of this video lecture is to review common errors in obesity research, specifically when it comes to implementing, analysis, and reporting of studies.

Meet the Guest Speaker

Colby Vorland, Ph.D.

Post Doctoral Fellow

Indiana University Bloomington

Video Lectures

The video lecture is broken into five topics: Introduction, error -non-random as random, error- drawing conclusions, error-reporting, and error-P-hacking.

Please click each tab to watch each part of the video lecture.

Introduction
Error - Non-Random as Random
Error - Drawing Conclusions
Error - Reporting
Error - Data Dredging

Introduction

Error - Non-Random as Random

Error - Drawing Conclusions

Error - Reporting

Error - Data Dredging

Accessibility Note: To access auto closed captions (CC) services please click on the icon in the video's bottom right corner. Manual CC are available by submitting a request for services to ATAC: (812) 856-4112 or atac@iu.edu

NOTE: Please click on the link below to download the video lecture slides:

Errors and Best Practices in Implementing Randomization and Inferential Errors

Readings

Below are papers you may be interested in reading regarding this topic (click on each article title to download it as a PDF file):

Brown, A. W., Altman, D. G., Baranowski, T., Bland, J. M., Dawson, J. A., Dhurandhar, N. V., ... & Allison, D. B. (2019). Childhood obesity intervention studies: A narrative review and guide for investigators, authors, editors, reviewers, journalists, and readers to guard against exaggerated effectiveness claims. Obesity Reviews, 20(11), 1523-1541. https://doi.org/10.1111/obr.12923
Vorland, C. J., Brown, A. W., Dawson, J. A., Dickinson, S. L., Golzarri-Arroyo, L., Hannon, B. A., ... & Allison, D. B. (2021). Errors in the implementation, analysis, and reporting of randomization within obesity and nutrition research: a guide to their avoidance. International Journal of Obesity, 1-12. https://doi.org/10.1038/s41366-021-00909-z