Unit 3- Scientific Principles And Process

Question 1

Scientific method

Answer 1

1.observation
2.construction of a testable hypothesis
3.experimental design
4. gathering, recording, and analysis of data
5. evaluation of results and conclusions
6.the formation of a revised hypothesis where necessary

Question 2

What is null hypothesis?

Answer 2

proposes that there will be no statistically significant effect as a result of the experiment treatment.

Question 3

What happens if there is evidence for effect during a null hypothesis?

Answer 3

unlikely due to chance, then the null hypothesis is rejected
Scientific ideas only become accepted once they have been checked independently