BB cream is promoted as an all-in-one facial cosmetic product to replace serum, moisturizer, primer, foundation and sunblock. It can be worn alone as a tinted moisturizer, over serum and moisturizer as a regular foundation, and under powder, depending on the desired amount of coverage. 1  1 History.  2 Formulations.
Definition. Naturalistic observation is research that involves studying the subject of interest in its own environment, as it would occur in day-to-day life. The subject of interest may be human or non-human or it can be the behavior of living things or the interactions of non-living things with their environment.
Lesson Summary. A naturalistic fallacy is an argument that derives what ought to be from what is. In other words, it's an argument that moves from facts (what is) to value judgments (what ought to be).his particular example involves an appeal to nature fallacy, or an argument that starts with facts about nature and moves to a moral statement that goes beyond the facts. Some philosophical definitions of the naturalistic fallacy include an appeal to nature, while others see the two as distinct fallacies.