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Chinese PRAP Scale Shows Content Validity in Pediatric Caregiver RatingsNew Chinese version of the PRAP scale shows strong validity

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Key Takeaway
Consider the Chinese PRAP scale as having preliminary content validity, but further psychometric testing is needed.

This guideline presents findings from a mixed-methods content validity study of the Chinese-language version of the PRAP scale. The evaluation involved 57 raters, including nurses, social workers, and family caregivers, at a tertiary children's hospital in Shanghai. The primary outcome was content validity, with comprehensibility as a secondary outcome.

The overall content validity index (S-CVI/Ave) was 0.92, indicating acceptable content validity. The item with the lowest relevance was Item 5 (Parent/caregiver stress), with an I-CVI of 0.79. No effect sizes, absolute numbers, or p-values were reported for these outcomes.

The authors acknowledge limitations: uncertainties in comprehensibility were identified through qualitative insights, and further psychometric evaluation is required. No safety data, adverse events, or follow-up information were reported. Funding and conflicts of interest were not reported.

The practice relevance is that this study provides evidence supporting the content validity of the Chinese PRAP scale. However, given the need for further psychometric evaluation and the lack of comprehensive validation data, clinicians should interpret these findings as preliminary and not yet sufficient for routine clinical application.

Caring for a child with a serious illness puts immense pressure on families. To better understand and support these caregivers, doctors need reliable tools to measure stress levels. This study looked at a Chinese version of the PRAP scale, a tool designed to measure how much stress a person feels from their caregiving role.

Experts including nurses, social workers, and family caregivers reviewed the tool. They found the scale had high content validity, with a score of 0.92. This means the questions are relevant and accurate for the people using them. One specific question about caregiver stress had a slightly lower relevance score of 0.79, but the overall tool remains strong.

While the results are promising, the study notes that more testing is needed to fully confirm how well the tool works in different settings. Some questions about how easy the tool is to understand were still being explored. For now, it provides a solid foundation for supporting families in Chinese-speaking communities.

What this means for you:
The Chinese PRAP scale is a valid tool for measuring the stress levels of family caregivers.

Common questions

What is the PRAP scale used for?

The PRAP scale is a tool used to measure the amount of stress a person feels because of their role as a caregiver. This study specifically looked at a Chinese version of the scale to see if it accurately captures the stress of family members caring for children in a hospital setting.

How accurate is the Chinese version of the scale?

The study found the Chinese version of the PRAP scale had a high content validity score of 0.92. This means the questions are very relevant to the people being asked. One specific item regarding caregiver stress had a lower relevance score of 0.79, but the overall tool is considered valid.

Is this tool ready for everyone to use?

The study confirms the tool has good content validity, but researchers noted that more psychometric evaluation is still required. Some questions about how easy the tool is to understand were also identified as areas that need more study before it is fully established.

Study Details

Study typeGuideline
EvidenceLevel 5
PublishedSep 2026
View Original Abstract ↓
This study aimed to evaluate the content validity of the Chinese-language version of the PRAP scale from comprehensive perspectives within the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) framework. We evaluated the content validity of the Chinese PRAP scale using COSMIN methodology in a convergent parallel mixed-methods design (August 2022–November 2023) at a tertiary children's hospital in Shanghai, with 57 content validity raters including nurses, social workers, and family caregivers. Quantitative (I-CVI, S-CVI/Ave) and qualitative data from semi-structured interviews were integrated. The scale showed strong overall content validity based on the quantitative ratings (S-CVI/Ave = 0.92). Item 5 (“Parent/caregiver stress”) showed the lowest relevance rating (I-CVI = 0.79). Qualitative feedback identified ambiguous phrasing in Items 4 and 5 and inconsistent interpretation of professional terminology. Despite uncertainties in comprehensibility identified by qualitative insights, the findings provide evidence supporting the content validity of the Chinese PRAP scale, while acknowledging that further psychometric evaluation is required.
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