Dr. Hatala has had a somewhat peripatetic educational research career. Her main interests lie in in-training (such as the mini-cex) and high-stakes assessment methods. In addition, she is interested in clinical reasoning, particularly diagnostic reasoning as this is a key component of an internist’s life and also an important arena in which learners often struggle. More recently, she has been exploring the use of simulation-technology for learner education, with a focus on its use as a method of assessment as well as exploring key instructional design features to enhance its effectiveness as an educational tool.