scientific method Flashcards
1
Q
first step
A
recognise a problem
2
Q
second step
A
collecting relevant info
3
Q
third step
A
make a hypothesis
4
Q
fourth step
A
test a hypothesis, make prediction
5
Q
fifth step
A
collect data
6
Q
final step
A
make conclusion or new question
7
Q
what is the independent variable
A
change
8
Q
what is the dependent variable
A
measure
9
Q
controlled variable?
A
keep same, at least 3
10
Q
hypothesis
A
link independent to dependent using words like increase or decrease
11
Q
what are the 2 types of data
A
qualitative and quantitative
12
Q
what is qualitative data
A
abstract and categorised into types
13
Q
what is quantitative data
A
data that is grouped into numbers
14
Q
how to evaluate an experiment 3 tests …
A
- validity
- accuracy
- reliability
15
Q
validity def
A
how accurately a method measures what it is intended to measure.