Experimental Controls

Question 1

Counterbalancing

Answer 1

Solves order affects in repeated measure design
Half of P do task in condition A then B
Half of P do task in condition B then A
Then the order affects are equal and cancel out between conditions

Question 2

Random allocation

Answer 2

-drawing names out of a hat and everyone has everyone has equal chance of doing either condition
Non biased

Question 3

Standardised instructions

Answer 3

• experimenters act the same with all participants as there are set instructions
  Each participant has same experience

Question 4

Randomisation

Answer 4

Material is presented in a random order - avoiding order affects