experiment design Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is the controlled variable

A

these are the variables which are kept the same throughout.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the independent variable

A

CAUSE - the variable you purposefully change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the dependent variable

A

EFFECT - the variable that changes as a result of the change in independent variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the purpose of a controlled experiment

A

to prove only the independent variable is the variable that is changing to the dependent variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what does repeating experiments lessen the chance of

A

the results being atypical or caused by an error or fluke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

when are semi-log graphs used

A

they are used for numerical data which increases rapidly or in large steps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

do you need to quote data

A

yes!!

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what should be included in a conclusion for an experiment

A
  • they should relate to the aim of the experiment or a piece of field work.
  • it should relate to the independent and dependent variables
  • do NOT simply restate the results
How well did you know this?
1
Not at all
2
3
4
5
Perfectly