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Perceived Vulnerability to Disease Questionnaire
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About Scale Name
Scale Name
Perceived Vulnerability to Disease Questionnaire
Author Details
Translation Availability
English and Portugal
Urdu Translation
No
Background/Description
The Perceived Vulnerability to Disease Questionnaire (PVDQ) is a psychological measurement tool used to assess an individual’s perceived vulnerability to contracting a disease or health condition. Perceived vulnerability refers to an individual’s subjective belief about their risk of contracting a particular disease or health condition. It is an important factor in determining an individual’s health behaviors and can be influenced by a variety of factors, including knowledge about the disease, past experiences with the disease, and personal characteristics such as personality and coping styles.
The PVDQ consists of a series of questions that assess an individual’s beliefs, attitudes, and behaviors related to their risk of contracting a particular disease or health condition. The questionnaire may include questions about an individual’s knowledge about the disease, their perceived susceptibility to the disease, their perceived severity of the disease, and their perceived benefits and barriers to engaging in behaviors that can reduce their risk of contracting the disease.
The PVDQ is often used in research studies and public health interventions to understand and address factors that contribute to an individual’s perceived vulnerability to disease. It can be used to identify and measure an individual’s level of perceived vulnerability to a particular disease or health condition and to assess the effectiveness of interventions designed to reduce perceived vulnerability.
Scoring
The Perceived Vulnerability to Disease Questionnaire (PVDQ) is typically scored by summing the scores on individual items or subsets of items. The specific scoring method will depend on the specific version of the PVDQ being used and the research or clinical goals of the assessment.
For example, the PVDQ may include items that are rated on a Likert scale (e.g., 1 = strongly disagree to 5 = strongly agree) or a yes/no format. In this case, scores on individual items can be calculated by summing the scores on the Likert scale or assigning a score of 1 for “yes” and 0 for “no.”
The PVDQ may also include multiple sub-scales that measure different aspects of perceived vulnerability, such as knowledge about the disease, perceived susceptibility to the disease, and perceived severity of the disease. In this case, scores on each sub-scale can be calculated by summing the scores on the relevant items.
It is important to note that the scoring of the PVDQ should be based on the specific instructions provided by the developers of the scale and may vary depending on the version of the scale being used. If you are using the PVDQ in your research or practice, it is important to carefully review the scoring instructions provided with the scale.
Reliability and Validity
The reliability and validity of the Perceived Vulnerability to Disease Questionnaire (PVDQ) may have been established in previous research studies. Reliability refers to the consistency of a measurement tool, and validity refers to the accuracy of a measurement tool. Establishing the reliability and validity of a measurement tool is an important step in ensuring that the tool is measuring what it is intended to measure and that the results of the assessment are reliable and consistent.
To determine the reliability and validity of the PVDQ, researchers may use a variety of methods, such as examining the internal consistency of the scale (i.e., the degree to which items on the scale are related to one another), testing the scale in different samples or settings to ensure that it produces similar results, and comparing the results of the PVDQ to other measures of the same construct (e.g., perceived vulnerability to disease).
If you are interested in the reliability and validity of the PVDQ, you may be able to find this information in the research literature by searching for published studies that have used the scale. You could also try contacting the authors or the organization that developed the PVDQ to see if they are aware of any research on the reliability and validity of the scale.
Available Versions
only one version available currently
Reference
Bianchi, F., Marino, C., & Rossi, G. (2022). The psychometric properties and gender invariance of the Italian version of the Perceived Vulnerability to Disease Questionnaire (I-PVDQ) during the COVID-19 pandemic. Psychological Assessment, 34(6), 891-902. doi:10.1037/pas0000567
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