BIOL 190 Study Guide - Midterm Guide: Null Hypothesis, Deductive Reasoning
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Sounds simple, but be able to say what data are and why science needs data. Data is used to help scientists understand the world/answer scienti c questionswhat"s the difference between inductive and deductive reasoning: deductive: make predictions based on models. A representation of a system: conceptual, mathematical. What are the steps of the scienti c method: formulation of problem, observation/experiment, testing interpretation. How about a null hypothesis: null: an alternative hypothesis. How does this differ from the colloquial use of the word: explains why phenomena occur, everyday: a guess/conjecture. A theory explains how or why something happens. A law tells what happens, but doesnt tell why. Explains a large class of observations with a few arbitrary elements. What are the two components of a good scienti c theory according to. Stephen j. gould: make de nite predictions about results of future observations. How did hopi hoekstra use the scienti c method in her eld study of old.