scientific investigation test

Question 1

control test

Answer 1

conducted using standard conditions

Question 2

experimental test

Answer 2

conducted with one variable changed

Question 3

control variables

Answer 3

same for both groups

Question 4

i.v

Answer 4

thing that changes -> x-axis

Question 5

d.v

Answer 5

thing being measured -> y-axis

Question 6

fair test

Answer 6

where only one variable differs between the two groups

Question 7

quantitive data

Answer 7

measurement

Question 8

qualitative data

Answer 8

direct observation

Question 9

validity

Answer 9

fairly test the hypothesis so that the only thing affecting the results is the i.v

Question 10

accuracy

Answer 10

how correct or true the measurements are

Question 11

reliability

Answer 11

how similar results are for trials of the same test

Question 12

errors

Answer 12

human, random (unpredictable), systematic (equipments)

Question 13

ethics

Answer 13

a set of moral principles or values
-> Scientific ethics calls for honesty and integrity in all stages of scientific practice

Question 14

ethically sound principles examples

Answer 14

voluntary participation
informed consent
risk of harm
confidentiality
anonymity

Question 15

placebos

Answer 15

inactive substance that looks like the real medication
-> used to research the effectiveness of medical treatments

Question 16

placebo effect

Answer 16

phantom improvement

Question 17

blind experiment

Answer 17

patients don’t know

Question 18

double blind experiment

Answer 18

both patients and researcher don’t know