bio lab notes

SCIENTIFIC METHOD

• systematic way to study a problem or phenomenon using measurable evidence

• three broad categories/actions:

  • d

  • d

  • d

7 points that make up the scientific method

1. observe

2. question

3. hypothesis

4. prediction

5. methods

6. results

7. s

hypothesis: a tentative explanation of something

testing hypothesis

• does variable make a difference? are the groups different?

• Null hypothesis: no difference between…

• alternative hypothesis: there is a difference between

prediction

• should connect with hypothesis, but be a lot MORE SOECIFIC than hypothesis

• If, Then statement

• if (independent variable) then (dependent variable)

data analysis:

• means and variation around the mean

• standard error ISNT EQUAL TO error in data