Planned missingness: An underused but practical approach to reducing survey and test length

Charlene Zhang and Paul R. Sackett

Industrial and Organizational Psychology, 2023, vol. 16, issue 1, 129-142

Abstract: I-O psychologists often face the need to reduce the length of a data collection effort due to logistical constraints or data quality concerns. Standard practice in the field has been either to drop some measures from the planned data collection or to use short forms of instruments rather than full measures. Dropping measures is unappealing given the loss of potential information, and short forms often do not exist and have to be developed, which can be a time-consuming and expensive process. We advocate for an alternative approach to reduce the length of a survey or a test, namely to implement a planned missingness (PM) design in which each participant completes a random subset of items. We begin with a short introduction of PM designs, then summarize recent empirical findings that directly compare PM and short form approaches and suggest that they perform equivalently across a large number of conditions. We surveyed a sample of researchers and practitioners to investigate why PM has not been commonly used in I-O work and found that the underusage stems primarily from a lack of knowledge and understanding. Therefore, we provide a simple walkthrough of the implementation of PM designs and analysis of data with PM, as well as point to various resources and statistical software that are equipped for its use. Last, we prescribe a set of four conditions that would characterize a good opportunity to implement a PM design.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:cup:inorps:v:16:y:2023:i:1:p:129-142_23

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