control - random allocation,counterbalancing

Question 1

situational variables

Answer 1

– variables connected with the research situation. For example, the temperature,
- They are controlled though standardisation, ensuring that the only thing which differs between the two groups is the IV.
- so keeping the temperature the same in both environments

Question 2

Participant variables

Answer 2

• variables connected with the research participants. For example, age, intelligence
• They are controlled through the experimental design, such as matched pairs design, or by randomly allocating participants to conditions, which helps to reduce bias.