3a- Scientific method Flashcards
1
Q
What are the four stages in the scientific cycle?
A
- constructing a testable hypothesis
- experimental design
- gathering, recording and analysis of data from experiment
- evaluation of results and conclusion
2
Q
What does the null hypothesis propose?
A
That there will be no statistically significant effect as a result of the experiment treatment
3
Q
When is the null hypothesis rejected?
A
If there is evidence for an effect, unlikely due to chance
4
Q
When do scientific ideas become accepted?
A
Only when they have been checked independently
5
Q
How should repetition of an experiment be done?
A
At a different time with a completely new set of ingredients, organisms and chemicals