1
Observation
2
Establishing the problem
3
Defining the variables
4
Hypothesis
5
Experimental design
6
Collecting data
7
Analysis and interpretation of results
8
conclusions and writing the report
Independent Variable
the researcher changes or manipulate
Dependent variables
the researcher observes and measure (the outcome)
Constants
the researcher keeps the same between all the trials because they may confuse the result
Control group
Group where you don´t change the indenpendent variable but follows the same experiment design
Good variables
2. Are specific to the (type of) population