An educational psychologist is investigating the efficacy of a new reading intervention. To establish a baseline of student achievement prior to the intervention, she obtains and analyses the school's existing standardized reading test scores from the past three years.
Which of the following correctly identifies the type of data being used and a key limitation associated with it?
Primary data; a key limitation is that the data is highly time-consuming and expensive to acquire compared to secondary sources.
Secondary data; a key limitation is that the data may not perfectly align with the specific aims or operationalised variables of the current study.
Secondary data; a key limitation is that it is restricted to qualitative descriptive formats and cannot be used for quantitative analysis.
Primary data; a key limitation is that it has low external validity because the researcher did not oversee the original testing conditions.
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.