Progressive Alignment Facilitates Learning of Deterministic But Not Probabilistic Relational Categories. - Wookyoung Jung; John E. Hummel (CogSci, 2011)

Hierarchical Category Structures Facilitate Acquisition of Probabilistic Relational Categories. - Wookyoung Jung; John E. Hummel (CogSci, 2012)

The effects of dual verbal and visual tasks on featural vs. relational category learning. - Wookyoung Jung; John E. Hummel (CogSci, 2013)

Making Probabilistic Relational Categories Learnable. - Wookyoung Jung; John E. Hummel (Cogn. Sci., 2015)