The document discusses shifting perspectives in instructional design away from traditional linear problem solving models. It provides examples of how people don't actually solve problems in a linear way in real life. Instead, flexible models and open learning environments allow students to use their own means and interests to find solutions through hands-on learning and available resources. Constructivist learning environments give students ill-structured problems relevant to them while providing support, allowing for more authentic learning centered around how people naturally problem-solve in their own lives.