Lecture 4: Conclusions & Theories Flashcards
1
Q
conclusion
A
defines whether the statistical differences between two variables are significant. Always subject to change based on new evidence (tentative).
2
Q
scientific theory
A
a hypothesis that explains a widespread phenomenon, and has been tested many times where the null hypothesis was rejected (the new hypothesis was accepted).
3
Q
natural selection
A
in a particular environment, certain versions of heritable (genetic) characteristics help individuals in a population survive and reproduce more often.