Pavement condition assessment is a critical step in road pavement management. In contrast to the automatic and objective methods used for rural roads, most commonly method urban areas development of visual surveys usually filled out by technicians, which leads subjective assessment. Whereas previous studies on identification distresses focused crack detection, this research aims not only cover ...

We considered the problem of estimating an average treatment effect for a target population using a survey subsample. Our motivation was to generalize a treatment effect that was estimated in a subsample of the National Comorbidity Survey Replication Adolescent Supplement (2001-2004) to the population of US adolescents. To address this problem, we evaluated easy-to-implement methods that accoun...

BACKGROUND Gestures play an important role in medical communication. METHODS 94 homeopaths (Mean age 49.6 years, 20% male) completed a 20-item questionnaire on utilization and relevance of gestures in patients' symptom description. RESULTS After excluding nine items due to low validity (n = 4) or low item total correlation (n = 5), factor analysis of the questionnaire resulted in the follow...

Controversies over race conceptualizations have been ongoing for centuries and have been shaped, in part, by anthropologists. OBJECTIVE To assess anthropologists' views on race, genetics, and ancestry. METHODS In 2012 a broad national survey of anthropologists examined prevailing views on race, ancestry, and genetics. RESULTS Results demonstrate consensus that there are no human biologica...

BACKGROUND The European Community respiratory health survey is examining the prevalence of asthma and risk factors for asthma. AIM As part of this multinational survey, a study was undertaken to determine the prevalence of asthma and asthma-like symptoms in young adults living in Cambridge, Ipswich and Norwich using a postal questionnaire. METHOD A previously validated symptom questionnaire...

OBJECTIVES To demonstrate a statistical analysis for testing the measurement equivalence of a patient safety survey instrument. The survey instrument examined in the present study is the Medication Administration Error Reporting Survey. METHODS Surveys were posted to a random sample of registered nurses in the State of Texas, with 435 nurses completing the survey. The surveys contained questi...

The measurement of customer satisfaction has become widespread in both healthcare and social care services, and is informative for performance monitoring and service development. Satisfaction with social care services is routinely measured with a single question on overall satisfaction with care, comprising part of the Adult Social Care Survey. The measurement of satisfaction has been problemat...