On Monday, 5 July 2022, in the Department of English at the College of Arts at the University of Basrah a PhD thesis entitled ( The effect of subject familiarity on the complexity, accuracy and fluency of oral production among advanced Iraqi learners of English as a foreign language) was discussed.

The thesis presented by the student Bahija Jassim Mohammed included five chapters. The first chapter discussed preliminaries, the second chapter included Theoretical Framework and Literature Review, the third chapter discussed Methodology, the fourth chapter dealt with Analysis and Discussion of Results, and the fifth chapter focused on Conclusions.

This study examines the impact of subject knowledge on the complexity, accuracy, and fluency of oral output for Iraqi English language learners at Basrah University \ College of Arts\ English department by dependence on two important hypotheses under the concept of cognitive task complexity, These are the hypothesis of limited Attentional Capacities (Skehan, 1998) and the hypothesis of cognitive inhibition (Robinson, 2001a, 2001b) and their connection with the Levelt (1989) model of speech production.