Control

Question 1

Why is random allocation to conditions important?

Answer 1

To eliminate bias.

Question 2

What will lack of random allocation mean?

Answer 2

There may be uncontrolled confounding variables.

Question 3

What is randomisation?

Answer 3

Random allocation, the prices of making group of items random (no predictable outcomes).

Question 4

What is standardisation?

Answer 4

Standardised procedures, a set of procedures that are the same for all ppts in order to be able to repeat the study.