MPS Test 203: Dynamics of Scissoring. This test is intended for Groomers trying to achieve their Master Pet Stylist Certification or MPS. This online written test contains true/false, multiple choice and matching questions subject matter contained in ISCC Study Guide Sec. 4. However, additional study aids, such as the Shear Control DVD and approved ISCC Shear lectures are also recommended, but not necessary. This is a timed 30 minute test that comprises 30 questions and can only be taken once per purchase.