Revalidation of the Client Perceptions of Nutrition Counselling (CPNC) Instrument
Bibliographic record
Abstract
The purpose of this project was to reassess the utility and content validity of the Client Perceptions of Nutrition Counselling (CPNC) instrument, originally developed in the early 1990s as a valid and reliable means to evaluate the effectiveness of nutrition counselling from the perspectives of those who consulted with a dietitian in an ambulatory care setting, while in hospital, or at a clinic. Outcomes assessed using the CPNC include trust in the dietitian per the Value of Nutrition Education conceptual framework (Hauchecorne et al., 1994), perceptions of and confidence in one’s ability to manage one’s health condition through diet, and comprehension of nutrition advice. These measures contrast with traditional outcome measures of weight and body composition, laboratory findings, clinical status, and dietary intake. A three-step progressive development design was used to assess and update the instrument: 1) a literature and report review; 2) an advisory panel (AP) consultation; and 3) based on Step 2, instrument revision if required. Findings from the literature review were that a more recent instrument based on user reflections on their nutrition counselling experiences was not available. The AP determined the CPNC remained relevant and updated the instrument. The revised CPNP 2.0 instrument is included in the article. Use of the CPNC 2.0 instrument makes it possible for people who have consulted with a dietitian to report on their perceptions of the service, and on personal outcomes related to using the service. These findings have implications at the unit/departmental level; dietitians and managers can consider how they might modify their services (for example, timing of consultations, virtual meetings rather than face to face, or integrating food skilling/culinary therapy into programs) to address service users’ needs and preferences. Findings can be used to advocate for nutrition counselling services to administrators, foundations, boards, health ministries, and others. Individually, and as a group, findings can inform dietitians’ decisions about professional development needs.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.273 | 0.330 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.002 |
| Bibliometrics | 0.004 | 0.003 |
| Science and technology studies | 0.003 | 0.003 |
| Scholarly communication | 0.006 | 0.004 |
| Open science | 0.004 | 0.008 |
| Research integrity | 0.002 | 0.006 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".