"Fizika samostoiatelnye i kontrolnye raboty" refers to standardized Russian physics workbooks used for classroom assessments, with "GDZ" offering ready-made solutions that function as both a controversial shortcut and a potential study tool for self-correction. These materials, often authored by experts like L.A. Kirik, cover multiple cognitive levels from independent tasks to comprehensive control works, requiring strategic use to foster true understanding rather than just rote copying. For more, explore the linked, academic studies on student problem-solving and self-regulation, such as this study on self-regulated learning in physics or the analysis of student problem-solving .