Nonresponse Error in Mail Surveys: Top Ten Problems

Nonresponse Error in Mail Surveys: Top Ten Problems

Conducting mail surveys can result in nonresponse error, which occurs when the potential participant is unwilling to participate or impossible to contact. Nonresponse can result in a reduction in precision of the study and may bias results. The purpose of this paper is to describe and make readers aware of a top ten list of mailed survey problems affecting the response rate encountered over tim...

Designing Surveys Acknowledging Nonresponse

Nonresponse Rates and Nonresponse Bias In Household Surveys

Many surveys of the U.S. household population are experiencing higher refusal rates. Nonresponse can, but need not, induce nonresponse bias in survey estimates. Recent empirical findings illustrate cases when the linkage between nonresponse rates and nonresponse biases is absent. Despite this, professional standards continue to urge high response rates. Statistical expressions of nonresponse bi...

Questionnaire Survey Nonresponse: A Comparison of Postal Mail and Internet Surveys

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Post-Partum Problems: The Top Ten List

This article reviews the top ten post-partum problems in mares. The problems are broadly broken down into two main categories: those that cause pain or systemic illness and those that do not. Problems resulting in pain or systemic illness include: septic metritis, hemorrhage from uterine or ovarian vessels, gastrointestinal problems/colic, uterine laceration and uterine horn intussusception/ ut...