Vocational assessment is the process of identifying and assessing an individual’s level of functioning in relation to vocational preparation. In this research, we have designed a framework to evaluate and train the visual working memory and attention level of users by using a humanoid robot and a brain headband sensor. The humanoid robot generates a sequence of colors and the user performs the task by arranging the colored blocks in the same order. In addition, a task-switching paradigm is used to switch between the tasks and colors to give a new instruction to the user by the robot. The humanoid robot displays guidance error detection information, observes the performance of users during the assessment and gives instructive feedback to them. This research describes the profile of cognitive and behavioral characteristics associated with visual working memory skills, selective attention and ways of supporting the learning needs of workers affected by this problem. Finally, the research concludes the relationships between visual working memory and attentional level during different level of the assessment.