Lecture 4: Conclusions & Theories

Question 1

conclusion

Answer 1

defines whether the statistical differences between two variables are significant. Always subject to change based on new evidence (tentative).

Question 2

scientific theory

Answer 2

a hypothesis that explains a widespread phenomenon, and has been tested many times where the null hypothesis was rejected (the new hypothesis was accepted).

Question 3

natural selection

Answer 3

in a particular environment, certain versions of heritable (genetic) characteristics help individuals in a population survive and reproduce more often.