A-LevelPsychologyResearch methods9990/21 · May/June 2020 · Q54 Marks
Before the study by Pepperberg (parrot learning), most research on animal learning had been conducted on primates, such as chimpanzees.
- (a)Explain one ethical reason why a parrot is a better choice of animal than a chimpanzee for a study in a laboratory.[2]
- (b)Explain one practical or methodological reason why the parrot was a better choice of animal than a chimpanzee for this study.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.
- [2] 1 mark for related animal guideline or logical ethical reason 1 mark for relating idea to parrot and/or chimp 'species and strain' says you should use the species that will suffer the least = 1 (guideline) and parrots cope best in a test setting because they are used to being kept in cages = 1 (link) chimps are much more intelligent than parrots = 1 (logical reason) so chimps would be more distressed by strange procedures like being expected to learn about coloured shapes = 1 (link)
- [2] 1 mark for practical reason 1 mark for relating idea to parrot and/or chimp smaller animals are easier to keep = 1 (reason) and parrots are smaller than chimps = 1 (link) chimpanzees can become aggressive = 1 (reason) so parrots are safer = 1 link
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