Randome Allocation

Question 1

Problem is individual differences in independent group design to control this is random allocation
Why?

Answer 1

Ensures each ppt has same chance of being in one condition as any other condition
Therefore unlikely that all ppts in one condition will share a characteristic to help them perform better at the dv

Question 2

How

Answer 2

Write names of ppt in equal sized pieces of paper
Put paper in hat
Randomly pick out ppt name put half in condition 1 and half c 2