Draw-a-Scientist Test (DAST)
The Draw-a-Scientist Test is an open-ended projective test that assesses children's conceptual images of scientists. The DAST is evaluated using a 7-point scale based on the presence of the following components in drawing: lab coat, eyeglasses, facial growth of hair, symbols of research, symbols of knowledge, technology & relevant captions.
The link provides the DAST, its documentation, and reviews.
Authors provide instrument validity and/or reliability information.