Researcg mehtodspart 1

Question 1

independent variable

Answer 1

• can be manipulated by the researcher, to see effects on the dv
• cause and effect

Question 2

dependent variable

Answer 2

• measured by the researcher

Question 3

extraneous variables

Answer 3

• a variable that may effect the DV
  -participant (age,iQ)
  situational(light,temp)

Question 4

confounding variables

Answer 4

• when an extraneous variable isn’t controlled that may ruin the experiment (weather)

Question 5

directional hypothesis

Answer 5

• one tailed
• previous research
• (one condition of IV) will result in a change compared to ( other level of IV)

Question 6

non directional hypothesis

Answer 6

• two tailed
• there will be a difference in DV between condition A and condition B

Question 7

null hypothesis

Answer 7

• IV will have no effect on the DV

Question 8

operationalise

Answer 8

Is how exactly you are going to create different levels e.g type of drink = coke vs water