A researcher conducts a study to investigate the relationship between weekly screen time (measured in hours) and performance on a standardized memory recall task (scored from 0 to 50) in a sample of 60 undergraduates.
Which of the following represents the correct null hypothesis for this study?
There is a significant negative relationship between weekly screen time and memory recall performance in undergraduates.
There will be no significant difference in the mean memory recall scores between undergraduates with high weekly screen time and those with low weekly screen time.
There is no significant relationship between weekly screen time and memory recall performance in undergraduates.
Undergraduates with lower weekly screen time will perform significantly better on the memory recall task than those with higher weekly screen time.
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.