Complex sentence: Operant conditioning (or instrumental conditioning) is a type of learning in which an individual's behavior is modified by its antecedents and consequetal conditioning was first discovered and published by Jerzy Konorski and was also referred to as "Type II reflexes".
Split into simpler sentences: Operant conditioning (or instrumental conditioning) is a type of learning in which an individual's behavior is modified by its antecedents and consequences. Instrumental conditioning was first discovered and published by Jerzy Konorski and was also referred to as "Type II reflexes".