Perceived Quality of Medical Care (PQMC)

Abstract

The Perceived Quality of Medical Care (PQMC) scale is a concise, six-item instrument developed by Richmond, Smith, Heisel, and McCroskey in 1998. Designed to assess an individual’s subjective evaluation of the medical care they have received, the scale uses a 7-point semantic differential format. It measures various facets of perceived quality, including the technical competence, interpersonal warmth, and overall satisfaction derived from the healthcare experience. The PQMC was originally utilized to explore the relationship between patient communication traits, such as communication apprehension, and subsequent perceptions of medical outcomes and quality of care.

Keywords

Perceived Quality of Medical Care, PQMC, patient satisfaction, healthcare evaluation, communication apprehension, medical outcomes, quality of care, psychological scale

Authors

Virginia P. Richmond, Robert S. Smith, Alan M. Heisel, James C. McCroskey

Purpose

The primary purpose of the PQMC scale is to provide a quick and reliable measure of a patient’s subjective judgment regarding the quality of medical services encountered. Unlike objective assessments of care standards, the PQMC focuses specifically on the patient’s personal, cognitive, and affective responses to their interaction with medical providers and the resulting treatment.

In its original context, the scale was instrumental in research focused on understanding how patient communication behaviors influence perceived quality. Specifically, it helped researchers determine if patients who experience high levels of communication apprehension or fear of talking with a physician tend to report lower perceptions of the care they receive, thereby linking interpersonal communication dynamics to perceived medical outcomes.

Construct

The Perceived Quality of Medical Care is the central psychological construct measured by this instrument. It is conceptualized as a multidimensional yet unified assessment of the overall experience of care. This perception encompasses several factors, including the perceived competence of the providers, the level of empathy and concern shown (interpersonal quality), and the perceived efficacy or benefit of the treatment received.

The scale utilizes bipolar adjectives (e.g., High Quality vs. Low Quality, Caring vs. Uncaring) to capture the full spectrum of subjective feelings, positioning the construct within the domain of patient-reported outcome measures (PROMs). A higher score on the PQMC indicates a more favorable perception of the quality of care.

Validity

While specific detailed psychometric data (such as factor loadings or CFA results) are typically found in the original publication, the validity of the PQMC is established through its theoretical alignment with existing models of patient satisfaction and healthcare quality assessment. The scale demonstrates construct validity by showing expected correlations with related variables, such as communication apprehension and self-reported medical outcomes, as detailed in the 1998 study.

The researchers demonstrated that the PQMC scores varied significantly based on patient communication traits, lending support to its ability to measure a perceived aspect of the medical encounter that is influenced by psychological disposition. Its face validity is high, as the items directly address core components universally recognized as integral to the definition of quality of care, such as benefit, satisfactory nature, and caring demeanor.

Reliability

Reliability for the PQMC scale is typically assessed using internal consistency metrics, such as Cronbach’s alpha. Based on standard psychometric practices for scales published in academic journals like Communication Research Reports, the PQMC is expected to exhibit strong internal consistency, suggesting that its six items reliably measure the same underlying construct of perceived quality. Although the specific alpha value is not provided in the source excerpt, the scale’s continued use in communication and health research suggests adequate reliability for research applications.

Factor Analysis

The structure of the PQMC scale, which utilizes a single derived score from six items, suggests that the authors intended it to function primarily as a unidimensional measure of overall quality perception. While the items cover different facets (e.g., technical quality, interpersonal quality), a factor analysis likely supported the extraction of a single dominant factor, representing the patient’s holistic assessment of the medical encounter. This unidimensionality allows for a straightforward interpretation of the total composite score.

Instrument

Test Type: Self-report scale; Psychometric assessment

Format: 7-point Semantic Differential Scale

Language Available: English (Original)

Population Group: Adult patients or recipients of medical care

Age Group: Typically 18 years and older (Adult population)

Population Details: Individuals capable of reflecting upon and rating their recent experience with a medical professional or healthcare system.

Test Methodology: Respondents circle one number (1 through 7) for each of the six bipolar adjective pairs to indicate their view regarding the quality of medical care received. A score of 4 signifies an undecided or neutral position. Scores closer to the defining adjective reflect stronger views.

Keywords

patient experience, PQMC scale, medical communication, healthcare perceptions, psychometric instrument, Richmond Smith Heisel McCroskey 1998

Authors

Author ORCID Identifier: N/A (Information not provided in source)

Affiliation Email addresses: N/A (Information not provided in source)

Correspondence Address: Correspondence is typically directed to the lead author or corresponding author listed in the original 1998 publication.

Permissions & Fee and Test Year

The test was developed and published in 1998. As is common for scales developed by academic researchers, the PQMC is often made available for non-commercial research purposes without a direct fee. Interested researchers should consult the original authors or the publisher (Taylor & Francis, for Communication Research Reports) for formal permissions regarding commercial use or adaptation. The instrument can be found online at the following location: http://www.jamescmccroskey.com/measures/pqmc.htm.

Reference’s

The primary reference for the development and initial validation of the PQMC scale is:

• Richmond, V. P., Smith, R. S., Heisel, A. M., & McCroskey, J. C. (1998). The impact of communication apprehension and fear of talking with a physician and perceived medical outcomes. Communication Research Reports, 15, 344-353.

Items of the Perceived Quality of Medical Care (PQMC)

Directions: Please indicate on the six items below how you feel about the quality of medical care you have received. Circle one‚ and only one‚ response for each item. The middle score (4) indicates you are undecided. Score numbers closer to the adjective you think is most representative of your view indicate stronger views.

1. High Quality 1 2 3 4 5 6 7 Low Quality
2. Personable 1 2 3 4 5 6 7 Impersonal
3. Uncaring 1 2 3 4 5 6 7 Caring
4. Concerned 1 2 3 4 5 6 7 Unconcerned
5. Beneficial 1 2 3 4 5 6 7 Not Beneficial
6. Unsatisfactory 1 2 3 4 5 6 7 Satisfactory

Scoring Instructions:

1. Add the numbers circled for items 1‚ 2‚ 4‚ and 5.
2. Add the numbers circled for items 3 and 6.
3. Complete the following formula: PQMC = 32 + (score of Step 2) – (score of Step 1).