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Logic (from Greek: λογική, logikḗ, 'possessed of reason, intellectual, dialectical, argumentative') [5] [6] [note 1] is the systematic study of valid rules of inference, i.e. the relations that lead to the acceptance of one proposition (the conclusion) on the basis of a set of other propositions ().
Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [4] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users. [5]
A semi-field study or semifield study is a type of scientific investigation which is intermediate between laboratory study and open field research.This may be in a large enclosure in a lab, mixing some of the greater space of a field with the greater control, difficulty of escape, ease of access, predictable environment, and lowered chance of accidental escape of the lab; or an enclosure in a ...
Microbiology (from Ancient Greek μῑκρος (mīkros) ' small ' βίος (bíos) ' life ' and -λογία () ' study of ') is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).
Human genetics is the study of inheritance as it occurs in human beings.Human genetics encompasses a variety of overlapping fields including: classical genetics, cytogenetics, molecular genetics, biochemical genetics, genomics, population genetics, developmental genetics, clinical genetics, and genetic counseling.
[1] The genotype–phenotype distinction is drawn in genetics. The "genotype" is an organism's full hereditary information. The "phenotype" is an organism's actual observed properties, such as morphology, development, or behavior. This distinction is fundamental in the study of inheritance of traits and their evolution.
[2] [3] Researchers also use experimentation to test existing theories or new hypotheses to support or disprove them. [3] [4] An experiment usually tests a hypothesis, which is an expectation about how a particular process or phenomenon works. However, an experiment may also aim to answer a "what-if" question, without a specific expectation ...
A study by the University of Cincinnati found 20 to 40 percent of Americans will provide an opinion when they do not have one because of social pressure, using context clues to select an answer they believe will please the questioner. A classic example of this phenomenon was the 1947 study of the fictional Metallic Metals Act. [2]