SOSC 2500 Lecture Notes - Lecture 7: Scientific Method, Standard Score, Australian Council Of Trade Unions
Document Summary
In science, you can"t test that anything exists . You can only test to see if something does not exist (there is no difference), and if you find that something does exist. i. e. the null hypothesis is false, you reject it. Then you can say there is probably something that exists (a difference) because we failed to show that nothing exists. We can"t prove anything with certainty in science, we can only fail to prove something (falsify a testable hypoth- esis, reject the null hypothesis) enough times where we can come to say things are true, known, or facts. You state your null hypothesis thinking it is false (falsifiable) You test it (by collecting data and doing some stats) And you either fail to reject it (i. e. there is no difference, your nh is true), or you reject it (i. e.