Experiments

Question 1

What is an independent variable?

1

Answer 1

• Manipulated to observe effect of this variation on DV

Question 2

What is a dependent variable?

1

Answer 2

• Thing you measure

Question 3

What is an experimental hypothesis and what does it need to be?
1

Answer 3

• Statement on effect of IV on DV, precise/operationalised

Question 4

What is an example of a directional (1-tailed) hypothesis?

1

Answer 4

• People who sleep for 8hrs have ^score on mem test than those who sleep for 5hrs

Question 5

What is a non-directional (2-tailed) hypothesis and an example?
2

Answer 5

• States there’s a difference

- People who sleep for 8hrs perform diff on mem test than those who sleep for 5hrs

Question 6

What is a null hypothesis?

1

Answer 6

• Statement of no difference

Question 7

What is operationalisation?

1

Answer 7

• Variables need to be defined in a way they can easily be tested