Results 21 to 30 of about 16,135,492 (293)
Background Novel survey methods are needed to tackle declining response rates. The 2020 National Maternity Survey included a randomised controlled trial (RCT) and social media survey to compare different combinations of sampling and data collection ...
Siân Harrison +2 more
doaj +1 more source
USING HOME RECRUITMENT TO INCREASE PARTICIPATION AND REPRESENTATIVENESS IN RESEARCH AMONG INDIVIDUALS WITH PSYCHOSIS [PDF]
The participation rates in epidemiologic cohort studies have declined in recent decades. We aimed to evaluate the effect of home recruitment on participation rate and non-response bias within the individuals with psychosis in a follow-up study.
Marianne Haapea +4 more
doaj
Sampling and non-response bias on health-outcomes in surveys of the oldest old. [PDF]
Surveys of the oldest old population are associated with several design issues. Place of residence and possible physical or cognitive impairments make it difficult to maintain a representative study population. Based on a Swedish nationally representative survey among individuals 77+, the present study analyze the potential bias of not using proxy ...
Kelfve S, Thorslund M, Lennartsson C.
europepmc +4 more sources
Investigating non-response bias in mail surveys. [PDF]
Losses in follow-up that are biased with respect to outcome invalidate the results. There are many ways of dealing with non-response in follow-up studies. Three separate methods were used to investigate a potential bias in a mail survey of 2471 disabled people.
K, Sheikh, S, Mattingly
openaire +2 more sources
OBJECTIVES: The study aim was to examine (i) non-response bias between responders and non-responders, and (ii) whether the association between self-reported sickness absence (SA) and register-based SA differed by gender, age, sector, or physically ...
Sannie V Thorsen +2 more
doaj +1 more source
Background There is evidence that the physician response rate is declining. In response to this, methods for increasing the physician response rate are currently being explored.
Lesley Weaver +2 more
doaj +1 more source
Refusal to participate in research among hard-to-reach populations: The case of detained persons.
Providing insights on refusal to participate in research is critical to achieve a better understanding of the non-response bias. Little is known on people who refused to participate, especially in hard-to-reach populations such as detained persons.
Stéphanie Baggio +4 more
doaj +1 more source
Bias in occupational epidemiology studies. [PDF]
The design of occupational epidemiology studies should be based on the need to minimise random and systematic error. The latter is the focus of this paper, and includes selection bias, information bias and confounding.
Pearce, Neil +2 more
core +1 more source
Controlling response shift bias: The use of the retrospective pre-test design in the evaluation of a master's programme [PDF]
Student self-report measures of change are widely used in evaluation research to measure the impact and outcomes of an educational programme or intervention. Traditionally the measures used to evaluate the impact of an educational programme on student
Hyde, Abbey, Drennan, Jonathan
core +1 more source
Local model uncertainty and incomplete-data bias (with discussion) [PDF]
Problems of the analysis of data with incomplete observations are all too familiar in statistics. They are doubly difficult if we are also uncertain about the choice of model.
Barry, Sarah +40 more
core +1 more source

