Stats Revision

Question 1

HYPOTHESIS

Answer 1

Outcome of study want to test

Question 2

NULL HYPOTHESIS

Answer 2

Outcome want to disprove by proving the hypothesis

Question 3

P Value

Answer 3

Measure of probability. between 0-1 p <o.o5 considered statisically significant

Question 4

Variable

Answer 4

Anything you can measure

Question 5

Independent Variable

Answer 5

Separates participants, independent groups. one or the other, doesnt change during the study

Question 6

Dependent variable

Answer 6

Outcome measures.
Expected to change. Depending on intervention

Question 7

Randomisation

Answer 7

decrease potential human bias in allocating participants to intervention or control eg minimise selection bias

Question 8

Attrition Bias

Answer 8

differences due to drop outs or loss of data

Question 9

Quantititve research

Answer 9

collect data once or over period of time, primary data from a sample. anayls epatterns in data using stats. assess and predict whether patterns may be similar in larger populations