Evidence map›Paper›PMID 21613242›Full record

Trial reportEvaluation & the health professions2011

Effects of incentives and prenotification on response rates and costs in a national web survey of physicians.

Jennifer Dykema, John Stevenson, Brendan Day, Sherrill L Sellers, Vence L Bonham

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Evaluation & the health professions, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Methods to increase response to postal and electronic questionnaires.The Cochrane database of systematic reviews · 2023
    Pooled it
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  10. A Randomized Experiment of Mailed Incentives to Improve Emergency Physician Survey Participation.Academic emergency medicine : official journal of the Society for Academic Emergency Medicine · 2026
    Article
  11. Article
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  18. Lessons Learned in a Physician Referral to Pediatric Telemental Health Services Program.Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent · 2019
    Article
  19. Race/Ethnicity and Success in Academic Medicine: Findings From a Longitudinal Multi-Institutional Study.Academic medicine : journal of the Association of American Medical Colleges · 2018
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Jennifer DykemaUniversity of Wisconsin Survey Center-University of Wisconsin-Madison, Madison, WI 53706, USA. dykema@ssc.wisc.edu
John Stevenson
Brendan Day
Sherrill L Sellers
Vence L Bonham

Funding

Understanding the Relationships between Race, Ethnicity, Ancestry and GenomicsZIAHG200324 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI BONHAM, VENCE L · 2009 to 2025
$3.5M
Intramural NIH HHS ZIA HG200324
6 · The paper itself

Abstract

Little is known about what strategies are cost-effective in increasing participation among physicians in surveys that are conducted exclusively via the web. To assess the effects of incentives and prenotification on response rates and costs, general internists (N = 3,550) were randomly selected from the American Medical Association (AMA) Masterfile and assigned to experimental groups that varied in the amount of a promised incentive (none, entry into a $200 lottery, $50, or $100) and prenotification (none, prenotification letter only, or prenotification letter containing a $2 preincentive). Results indicated that the response rates were highest in the groups promised $100 and $50, respectively. While the postal prenotification letter increased response rates, the inclusion of a small token $2 preincentive had no effect on participation. Further, unlike mail surveys of physicians, the $2 preincentive was not cost-effective. Among physicians, larger promised incentives of $50 or $100 are more effective than a nominal preincentive in increasing participation in a web-only survey. Consistent with prior research, there was little evidence of nonresponse bias among the experimental groups.

Indexed as

Attitude of Health PersonnelGenetics, MedicalCost-Benefit AnalysisHealth Care SurveysHealth Knowledge, Attitudes, PracticeHumansInternal MedicineInternetLogistic ModelsMaleMiddle AgedMotivationPhysiciansReminder SystemsResearch DesignUnited States

Identifiers

PMID21613242
PMCPMC3562654

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.