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首页> 外文期刊>Journal of product innovation management >Measuring New Product Portfolio Innovativeness: How Differences in Scale Width and Evaluator Perspectives Affect its Relationship with Performance
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Measuring New Product Portfolio Innovativeness: How Differences in Scale Width and Evaluator Perspectives Affect its Relationship with Performance

机译：衡量新产品组合的创新性：比例尺宽度和评估者观点的差异如何影响其与绩效的关系

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摘要

Portfolio innovativeness is a central variable in innovation management. However, the impact of portfolio innovativeness on new product development (NPD) performance is unclear, which may partly be due to the construct's multifaceted nature. Different facets may reflect different degrees of innovativeness and may have different relationships with performance. In addition, firm members with different functional backgrounds may perceive and thus assess these facets differently, which again may influence the performance effect of portfolio innovativeness. Based on a sample of 746 CEOs and marketing as well as technology professionals from 117 firms and using Item Response Theory (IRT), a multifaceted scale of portfolio innovativeness, whose facets are able to cover the entire innovativeness spectrum, is developed. In addition, it is shown that the performance impact of portfolio innovativeness is dependent on the facets included in the scale, and on the specialization of the professional assessing the facets. Inverted U-shaped performance effects are found when the scale covers the entire spectrum of innovativeness, and linear positive or zero effects with different types of more narrowly modeled scales. Inverted U-shaped performance effects are also found when technology professionals assess the facets, while the assessments by marketing professionals lead to linear positive effects.
机译：项目组合创新性是创新管理中的核心变量。但是，投资组合创新对新产品开发（NPD）性能的影响尚不清楚，这可能部分是由于该结构的多面性。不同的方面可能反映出不同程度的创新，并且可能与绩效具有不同的关系。此外，具有不同职能背景的公司成员可能会感知并评估这些方面，从而再次影响投资组合创新的绩效。基于来自117家公司的746位CEO和市场营销人员以及技术专业人员的样本，并使用项目响应理论（IRT），开发了投资组合创新能力的多层面规模，其各个方面都能够覆盖整个创新范围。此外，研究表明，投资组合创新的绩效影响取决于量表所包含的各个方面，也取决于评估这些方面的专业人士的专业水平。当量表涵盖整个创新范围时，会发现倒U形演奏效果，而对于不同类型或更窄模型化的量表，它们会出现线性正或零影响。当技术专业人员评估各个方面时，也会发现倒U形绩效影响，而营销专业人员的评估则导致线性正效应。

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