ANCOVA versus change score for the analysis of two-wave data

O Lüdtke, A Robitzsch - The Journal of Experimental Education, 2023 - Taylor & Francis
There is a longstanding debate on whether the analysis of covariance (ANCOVA) or the
change score approach is more appropriate when analyzing non-experimental longitudinal …

Beyond total treatment effects in randomised controlled trials: Baseline measurement of intermediate outcomes needed to reduce confounding in mediation …

S Landau, R Emsley, G Dunn - Clinical Trials, 2018 - journals.sagepub.com
Background: Random allocation avoids confounding bias when estimating the average
treatment effect. For continuous outcomes measured at post-treatment as well as prior to …

Critical Care Cycling Study (CYCLIST) trial protocol: a randomised controlled trial of usual care plus additional in-bed cycling sessions versus usual care in the …

MR Nickels, LM Aitken, J Walsham, AG Barnett… - BMJ open, 2017 - bmjopen.bmj.com
Introduction In-bed cycling with patients with critical illness has been shown to be safe and
feasible, and improves physical function outcomes at hospital discharge. The effects of early …

Texting your way to healthier eating? Effects of participating in a feedback intervention using text messaging on adolescents' fruit and vegetable intake

S Pedersen, A Grønhøj… - Health education research, 2016 - academic.oup.com
This study investigates the effects of a feedback intervention employing text messaging
during 11 weeks on adolescents' behavior, self-efficacy and outcome expectations …

ANCOVA versus Change Score for the Analysis of Two-Wave Data: An Overview of Different Modeling Decisions

O Lüdtke, A Robitzsch - 2022 - osf.io
There is an ongoing debate on whether the analysis of covariance (ANCOVA) or the change
score approach is more appropriate when analyzing nonexperimental pre-post designs. In …

A viable alternative when propensity scores fail: evaluation of inverse propensity weighting and sequential G-estimation in a two-wave mediation model

MJ Valente, DP MacKinnon… - Multivariate Behavioral …, 2020 - Taylor & Francis
Two methods from the potential outcomes framework–inverse propensity weighting (IPW)
and sequential G-estimation–were evaluated and compared to linear regression for …

Long-Term effectiveness of a lifestyle intervention for the primary prevention of type 2 diabetes in a low socio-economic community–an intervention follow-up study on …

A Fianu, L Bourse, N Naty, N Le Moullec, B Lepage… - PloS one, 2016 - journals.plos.org
In type 2 diabetes (T2D) prevention research, evidence for maintenance of risk factor
reduction after three years of follow-up is needed. The objective of this study was to evaluate …

The impact of winning funding on researcher productivity, results from a randomized trial

A Barnett, T Blakely, M Liu, L Garland… - Science and Public …, 2024 - academic.oup.com
The return on investment of funding science has rarely been accurately measured. Previous
estimates of the benefits of funding have used observational studies, including regression …

Assessment of channeling bias among initiators of glucose-lowering drugs: A UK cohort study

MZ Ankarfeldt, BL Thorsted, RHH Groenwold… - Clinical …, 2017 - Taylor & Francis
Background Channeling bias may occur when a newly marketed drug and an established
drug, despite similar indications, are prescribed to patients with different prognostic …

Protocol for a randomised trial testing a community fibrosis assessment service for patients with suspected non-alcoholic fatty liver disease: LOCal assessment and …

D Brain, J O'Beirne, IJ Hickman, EE Powell… - BMC Health Services …, 2020 - Springer
Background Non-alcoholic fatty liver disease (NAFLD) is the most common type of chronic
liver disease in Australia and its recent increase mirrors the obesity and type 2 diabetes …