Measuring and valuing spillover effects in caregivers and families: A scoping review.

PONE-D-25-58821

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Dear authors,

based on the advice of one reviewer and on my own reading of the manuscript, I recommend your manuscript to be accepted for publication in PLoS ONE. Thank you for contributing to the journal.

Reviewers' comments:

Reviewer's Responses to Questions

Comments to the Author

1. Is the manuscript technically sound, and do the data support the conclusions?

Reviewer #1: Yes

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2. Has the statistical analysis been performed appropriately and rigorously? -->?>

Reviewer #1: Yes

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3. Have the authors made all data underlying the findings in their manuscript fully available??>

The PLOS Data policy

Reviewer #1: Yes

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4. Is the manuscript presented in an intelligible fashion and written in standard English??>

Reviewer #1: Yes

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Reviewer #1: This manuscript is a methodologically robust scoping review that makes a clear and substantive academic contribution to the fields of health economics and caregiving research. The focus on measuring spillover effects among caregivers and families is both critical and timely, particularly in the context of population aging and the growing burden of chronic disease. The review systematically synthesizes existing conceptual frameworks, measurement instruments, and methodological gaps in the current literature, presenting them clearly and coherently.

No concerns were identified regarding research ethics or publication ethics. As this study is based on a review of previously published literature, ethical approval is not applicable. There is no indication of dual publication or redundant reporting, and the sources are appropriately cited. Overall, the manuscript is of high quality, aligns well with the journal's scope, and is suitable for publication, with only minor refinement to the discussion of implications for future research and policy.

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Reviewer #1: No

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