Talip Gönülal
Missing Data Management Practices in L2 Research: The Good, The Bad and The Ugly
Erzincan University
missing data one frequently encountered problems quantitative research neglected handled improperly problem adverse impact research results however issue missing data quantitative second language l2 research largely ignored compared sister disciplines education psychology purpose methodological synthesis therefore investigate issue missing data l2 research particular focus l2 researchers current missing data management practices total 143 studies published six leading l2 journals reviewed synthesis results indicated missing data indeed quite common l2 research 41 studies indicated evidence missing data l2 researchers management reporting missing data often less optimal light results several directed suggestions made improve rigor quality l2 research