A health psychologist is conducting a study on occupational burnout among clinicians at a large healthcare trust. She obtains an alphabetical directory of all 1,600 clinical staff members. To select her sample of 40 clinicians, she generates a random number between 1 and 40 to determine her starting point, and then selects every 40th40^{\text{th}}40th individual on the list thereafter.
Which sampling technique has the psychologist employed?
Stratified sampling
Systematic sampling
Random sampling
Opportunity sampling
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.