Measuring enablers and indicators of employee engagement: Internal validity of the Flow@Work engagement survey. [PDF]
HeliyonCoetzee M +3 more
europepmc +1 more source
A Mixed-Methods Approach to Evaluating the Internal Validity of the Reactive Strength Index. [PDF]
Sports (Basel), 2019 Louder T +3 more
europepmc +1 more source
Response to the Letter: "Bias estimation of predictors and internal validity of the study 'Admission characteristics predictive of in-hospital death from hospital-acquired sepsis: A comparison to community-acquired sepsis'". [PDF]
J Crit Care, 2020 Gautam S, Smotherman C, Guirgis FW.
europepmc +1 more source
Oral health and obesity in the SAYCARE study: reliability and internal validity of diagnostic methods. [PDF]
Obes Sci Pract, 2019 Rando-Meirelles MPM +7 more
europepmc +1 more source
Improving External Validity May Jeopardize Internal Validity [PDF]
Anesthesiology, 2019 openaire +2 more sources
Strengths and Difficulties Questionnaire: internal validity and reliability for New Zealand preschoolers. [PDF]
BMJ Open, 2018 Kersten P +3 more
europepmc +1 more source
Field studies of psychologically targeted ads face threats to internal validity. [PDF]
Proc Natl Acad Sci U S A, 2018 Eckles D, Gordon BR, Johnson GA.
europepmc +1 more source
Characterization of Internal Validity Threats to Phase III Clinical Trials for Chemotherapy-Induced Peripheral Neuropathy Management: A Systematic Review. [PDF]
Asia Pac J Oncol Nurs, 2019 Lee D +4 more
europepmc +1 more source
Maintaining Internal Validity in Community Partnered Participatory Research: Experience from the Community Partners in Care Study. [PDF]
Ethn Dis, 2018 Belin TR +15 more
europepmc +1 more source