Scientific theory =
Broader than hypothesis and supported by a lot of evidence
Qualitative VS Quantitative
Quali = words / descriptions
Quanti = numbers
Experiments =
Tests that support of disprove the theory
2 types of Variables =
Independent: being manipulated (x)
Dependent: being measured (y)
Experimental group =
group being experimented on
Control group =
group that isn’t to compare results to
2 types of experiments =
Comparative : you compare- variables arent controlled
Controlled : change the variable - manipulate experiemtnal and unmanipulated control
Inductive reasoning VS Deductive resoning
Induc: generalization from large number of observations
Deduc: logic stems from the results we expect to have
Statistically significant =
a result that is unlikely to have occured by change
Error bars =
(on the graphs) leaves room for variation around the average
__
|
¯¯
Null hypothesis =
That no differences exist between the subjects of the reasearch
