A-LevelPsychologyResearch methods9990/22 · Oct/Nov 2020 · Q52 Marks
In a study about phobias, researchers have identified two problems.
- (a)One problem is that they cannot be sure that they are studying phobias rather than just dislikes. For example, people may refuse to eat a food they claimed to have a phobia of simply because they don't like it. Explain whether this is a problem of validity or reliability. Validity or reliability: Explanation:[1]
- (b)Another problem is that they cannot be sure that they are measuring phobias consistently. For example, the researchers may interpret the participants' written comments differently. Explain whether this is a problem of validity or reliability. Validity or reliability: Explanation:[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2020). The mark or mark type is shown in brackets.
- [1] (a) 1 mark for name of validity and an explanation (does not have to be linked) Validity (identification) as they will not be measuring the variable they expected to measure (generic) = 1 Validity (identification) as they will not be measuring phobias, but dislikes instead (linked) = 1 Reliability (incorrect) as they will not be measuring phobias, but dislikes instead (linked) = 0
- [1] (b) 1 mark for name of reliability and an explanation (does not have to be linked) Reliability (identification) because it is about the researchers' consistency in recording data (explanation) (generic) = 1 Reliability (identification) because they may make different records from the same data (explanation) (linked) = 1 Validity (incorrect) because it is about the researchers' consistency in recording data (explanation) = 0
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