independent groups

• • Independent groups: when two separate group of ppts experience  2 different conditions
• strengths:

  • Order effects avoided
  • Less likely to be demand characteristics because ppts only take part in one condition of the experiment and are therefore less likely to pick up on cues
• weakness:

  • Individual differences : between groups otherwise called participant variables may affect the results  - deal with this using random allocation
  • A larger amount of participant are needed in this experimental design