A neuropsychologist investigating the impact of a new cognitive-behavioral therapy on anxiety levels finds a significant reduction in patient symptoms. The researcher reports that there is a 5% or lower probability that this finding occurred by chance.
Which mathematical expression correctly represents this level of significance?
p≥0.05p \ge 0.05p≥0.05
p≤0.05p \le 0.05p≤0.05
p≤0.50p \le 0.50p≤0.50
p<0.005p < 0.005p<0.005
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.