[Solved] The program development life cycle begins at the start of the planning phase in system development. Microscopic: Pertaining to objects or processes that are too small to be seen with the naked eye, requiring a microscope for observation. Micro-Subjective Level: This refers to individual and personal perspectives and experiences within sociological or psychological research. George Ritzer: An American sociologist known for his work on consumerism, globalization, and the concept of McDonaldization, which describes the process by which the principles of the fast food industry dominate sectors of society. Objective-Subjective Continuum: Refers to the range between objectively measurable facts and subjective perceptions or experiences, relevant in research and theory across disciplines.