Conceptual hypothesis paper and proposed group-randomized 3-by-2 experimental protocol examining whether a truthful record of a peer’s demonstrated success changes how people allocate a fixed practice-time budget across four trainable skills, and whether effects depend on who receives the success information and who can see the observer’s later allocation. Version 0.5 adds and discusses Arnold et al. (2025), which experimentally links relative-performance information to training choices under a work-training tradeoff; it therefore makes no novelty claim for RPI effects on skill-development investment. The proposed extension is the independent crossing of peer-success-information visibility with response visibility and a prespecified distributional test in a multi-skill time portfolio. No empirical data are reported. This is not a completed preregistration, ethics approval, validated effect, or validated theory. The targeted literature search is not systematic and does not establish priority.
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Robert Gustavson (2026) studied this question.
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