2.7.5 Participants

Question 1

Identify the target population in your experiment

Answer 1

Staff at Edgbarrow

Question 2

Outline how your sample may not have been representative of target population in exp.

Answer 2

• sample only includes teachers (not support staff)
• does not include teachers who don’t have any 6th Form teaching

Question 3

What was the sampling technique used in your experiment

Answer 3

Volunteer sampling

Question 4

outline one strength of the sampling technique used in your correlation

Answer 4

• i could recruit my sample quickly and easily
  > i put up posters around sixth form asking for teachers volunteers and then wait for the sample to approach

Question 5

outline one weakness of the sampling technique used in your correlation

Answer 5

Volunteer sample:
- teachers may have only signed up because they believe they are good at the stroop task
- those who weren’t good may have been embarrassed to volunteer

• Participants who took part may not represent the wider teacher target population so can not generalise findings

Question 6

Suggest one way the representativeness of the sample could have been improved in your correlation

Answer 6

Use stratified sampling to ensure a mix of different types of staff (e.g., support staff, non-6th form teachers) are included

Question 7

Suggest an alternative sampling technique that could have been used in your correlation

Answer 7

stratified sampling