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Credentialing and job practice in environmental health: an empirical study.
  • Published Date:
    1985 Jul-Aug
  • Source:
    Public Health Rep. 100(4):427-432
  • Language:
    English
Filetype[PDF-1.10 MB]


Details:
  • Personal Authors:
    Cline, C S
  • Keywords:
  • Pubmed ID:
    3927387
  • Pubmed Central ID:
    PMCnull
  • Description:
    To investigate the validity of the credentialing examination for entry-level practitioners in environmental health, 15 work measures, simulating or assessing important components of job practice, were developed. These work measures, along with the written examination, were administered to a sample of 128 entry-level practitioners drawn from 10 test sites throughout the country. Composite work measures were constructed in which individual work measures were weighted according to their judged importance. The total composite work measure, based on all 15 individual measures, correlated .53 with the total written examination. Correlations between composite work measures and the written test scores were generally in the .3 to .5 range and significant at the .01 level. Seventy-three percent of the sample were consistently classified on both the written examination and the total work measure composite. That is, 73 percent of the sample passed both the examination and the work measures or failed both the examination and the work measures. In comparison to similar studies, the magnitude of the coefficients reported here is acceptable to high. Results show that the examination is a valid, but not perfect, predictor of on-the-job skill in environmental health, and it should help to screen the public from the results of incompetent practice.

  • Document Type:
    Journal Article
  • Collection(s):
    Public Health Reports
  • Main Document Checksum:
  • Supporting Files:
    No Additional Files
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      Morelock, S; Hingson, R W; Smith, R A; Lederman, R I;
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      Description:
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      Personal Author:
      Anderson, D W; Bryan, F A; Harris, B S; Lessler, J T; Gagnon, J P;
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      Description:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
      Public Health Rep. 100(4):393-401
      Description:
      The University of California at Los Angeles School of Public Health, in collaboration with the Los Angeles County Department of Health Services, compiled data and developed a standardized format that displayed a comparison of mortality and morbidity ...
      File Type:
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      Personal Author:
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      Public Health Rep. 100(4):439-445
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      Tuberculin skin testing is an accurate, inexpensive screening procedure for detecting tuberculosis infection. The return visit needed to interpret the reaction is inconvenient, costly, and may contribute to under-utilization of the test. Although som...
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      Personal Author:
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      Published:
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      Source:
      Public Health Rep. 100(4):364-368
      Description:
      All 319 participants of an intensive continuing education course on optometric hypertension screening at the University of Alabama at Birmingham were surveyed 5 years after completion of the course. Almost 85 percent of 211 responding optometrists re...
      File Type:
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      Personal Author:
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      Published:
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      File Type:
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      Personal Author:
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      Published:
      1985 Jul-Aug
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      File Type:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
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      Description:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
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      Description:
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      File Type:
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      Personal Author:
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      Published:
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      Personal Author:
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      Published:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
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      Description:
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      File Type:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
      Public Health Rep. 100(4):417-427
      Description:
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      File Type:
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      File Type:
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      Published:
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      Source:
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      Description:
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      Personal Author:
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      Published:
      1985 Jul-Aug
      Source:
      Public Health Rep. 100(4):401-405
      Description:
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      Personal Author:
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      Published:
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      Source:
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      Description:
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