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The assessment of publication pressure in medical science; validity and reliability of a Publication Pressure Questionnaire (PPQ).

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Title: The assessment of publication pressure in medical science; validity and reliability of a Publication Pressure Questionnaire (PPQ).
Authors: Tijdink, J., Smulders, Y., Vergouwen, A., Vet, H., Knol, D.
Source: Quality of Life Research. Sep2014, Vol. 23 Issue 7, p2055-2062. 8p. 4 Charts, 1 Graph.
Subjects: Medical sciences, Internet questionnaires, Test validity, Item response theory, Publications, Maslach Burnout Inventory
Abstract: Purpose: To determine content validity, structural validity, construct validity and reliability of an internet-based questionnaire designed for assessment of publication pressure experienced by medical scientists. Methods: The Publication Pressure Questionnaire (PPQ) was designed to assess psychological pressure to publish scientific papers. Content validity was evaluated by collecting independent comments from external experts ( n = 7) on the construct, comprehensiveness and relevance of the PPQ. Structural validity was assessed by factor analysis and item response theory (IRT) using the generalized partial credit model. Pearson's correlation coefficients were calculated to assess potential correlations with the emotional exhaustion and depersonalization subscales of the Maslach Burnout Inventory (MBI). Single test reliability (lambda2) was obtained from the IRT analysis. Results: Content validity was satisfactory. Confirmatory factor analysis did not support the presence of three initially assumed separate domains of publication pressure (i.e., personally experienced publication pressure, publication pressure in general, pressure on position of scientist). After exclusion of the third domain (six items), we performed exploratory factor analysis and IRT. The goodness-of-fit statistics for the IRT assuming a single dimension were satisfactory when four items were removed, resulting in 14 items of the final PPQ. Correlations with the emotional exhaustion and depersonalization scales of the MBI were 0.34 and 0.31, respectively, supporting construct validity. Single test administration reliability lambda2 was 0.69 and 0.90 on the test scores and expected a posteriori scores, respectively. Conclusion: The PPQ seems a valid and reliable instrument to measure publication pressure among medical scientists. [ABSTRACT FROM AUTHOR]
Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Purpose: To determine content validity, structural validity, construct validity and reliability of an internet-based questionnaire designed for assessment of publication pressure experienced by medical scientists. Methods: The Publication Pressure Questionnaire (PPQ) was designed to assess psychological pressure to publish scientific papers. Content validity was evaluated by collecting independent comments from external experts ( n = 7) on the construct, comprehensiveness and relevance of the PPQ. Structural validity was assessed by factor analysis and item response theory (IRT) using the generalized partial credit model. Pearson's correlation coefficients were calculated to assess potential correlations with the emotional exhaustion and depersonalization subscales of the Maslach Burnout Inventory (MBI). Single test reliability (lambda2) was obtained from the IRT analysis. Results: Content validity was satisfactory. Confirmatory factor analysis did not support the presence of three initially assumed separate domains of publication pressure (i.e., personally experienced publication pressure, publication pressure in general, pressure on position of scientist). After exclusion of the third domain (six items), we performed exploratory factor analysis and IRT. The goodness-of-fit statistics for the IRT assuming a single dimension were satisfactory when four items were removed, resulting in 14 items of the final PPQ. Correlations with the emotional exhaustion and depersonalization scales of the MBI were 0.34 and 0.31, respectively, supporting construct validity. Single test administration reliability lambda2 was 0.69 and 0.90 on the test scores and expected a posteriori scores, respectively. Conclusion: The PPQ seems a valid and reliable instrument to measure publication pressure among medical scientists. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Quality of Life Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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