What is meant by a 'Type I error' in statistical hypothesis testing?
It occurs when a researcher incorrectly rejects a true null hypothesis.
It occurs when a researcher incorrectly accepts a false null hypothesis.
It is the error of using an inappropriate statistical test for ordinal or interval data.
It is the error resulting from using a biased sampling technique.
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.