Final answer:
The "4 Assumptions About Human Development" are not specifically identified in the context provided. Developmental psychology commonly evaluates the nature vs. nurture debate, the continuity or discontinuity of development, the uniformity or diversity in developmental courses, and the interaction between genetics and the environment.
Step-by-step explanation:
The "4 Assumptions About Human Development" are not explicitly defined within the provided context, and without specific reference to a certain set of assumptions, it is challenging to pinpoint who exactly made these assumptions. In developmental psychology, there are many theoretical approaches and assumptions regarding human development that are continuously debated and analyzed. Nonetheless, the study of human development often considers assumptions related to the nature versus nurture debate, the continuity or discontinuity of development, whether there is one course of development or many, and how genetics and environment interact to influence development.
Regarding your question, if you are referring to a specific model or theory within developmental psychology or another field that discusses "4 Assumptions About Human Development", please provide more details or clarify so that I can offer a more precise answer.