Psychology Gift Stroop Effect Mug for Psychologist, Students and Teachers

Remind people you’re a psychologist with these mugs inspired by John Ridley Stroop’s experiments.

Choose from the following Stroop-inspired designs:

• 'Blue Square' which is a red circle
• 'Green Diamond' which is a blue triangle
• 'Purple Circle' which is a green square
• 'Red Triangle' which is a purple diamond.

These mugs are printed to order.