Nisha conducted an investigation into the accuracy of eyewitness facial recognition under different lighting conditions. She recruited her participants from her university campus using a volunteer sampling technique.
Nisha showed participants a high-definition lineup of potential suspects. Group 1 viewed the lineup photos in well-lit conditions, while Group 2 viewed them under dim, low-contrast lighting. She then asked both groups to identify the target individual from the lineup.
Describe how Nisha may have gathered her participants using a volunteer sampling technique.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.