In order to self-regulate, students need to honestly reflect on their learning and to take appropriate corrective action. A simple procedure to cultivate student skills in self-regulated learning, known as the Task Evaluation and Reflection Instrument for Student Self-Assessment (TERISSA) is discussed in this paper. TERISSA guides students through two evaluations of the complexity of a task: the first is undertaken just before solving the task and the second straight after completing the task. This study involved 63 undergraduate students and observed a statistically significant difference ("p" = 0.007) in performance between the students who did (6.1/10) and did not (4.1/10) use TERISSA during tutorials leading up to an assessment task.