Item imputation

Passive imputation and parcel summaries are both valid to handle missing items in studies with many multi-item scales

© 2016, © The Author(s) 2016. Previous studies showed that missing data in multi-item scales can best be handled by multiple imputation of item scores. However, when many scales are used, the number of items will become too large for the imputation …

Missing data in a multi-item instrument were best handled by multiple imputation at the item score level

Objectives Regardless of the proportion of missing values, complete-case analysis is most frequently applied, although advanced techniques such as multiple imputation (MI) are available. The objective of this study was to explore the performance of …