Return to hypotheses and other things

Question 1

Confederate definition

Answer 1

A person who is ‘in on the study’. They are not a participant and have been instructed on how to behave by the investigator

Question 2

Directional hypothesis

Answer 2

States the direction of the predicted difference between two conditions or two groups of participants

Question 3

Non - directional hypothesis

Answer 3

Predicts that there is a difference between two conditions or two groups of participants, without stating the direction of the differences

Question 4

Explain a pilot study

Answer 4

A small scale trial run of a study to test any aspects of the design, with a view to making improvements

Question 5

‘’people who do homework with TV on produce better results from those who do homework with the TV off’’ State whether this is a directional or non-directional hypothesis

Answer 5

Directional hypothesis

Question 6

‘’ People who do homework with TV on produce different results from those who do homework with the TV off ‘’ Is this directional or non/directional

Answer 6

Non- directional Hypothesis

Question 7

Why would a scientist use a directional hypothesis

Answer 7

If past research suggests that the finding will go in a particular direction

Question 8

Why would a scientist use a non-directional hypothesis

Answer 8

When there is no past research or if past research is contradictory

Question 9

Why would a researcher conduct a pilot study

Answer 9

To find out if any aspects of the design do not work

Question 10

How could you conduct a pilot study

Answer 10

By gathering only a few ppts and trailing the study