In the study by Pepperberg (parrot learning), a principal trainer and secondary trainers were used during the 'test procedures'.
- (a)Describe what the principal trainer would do during the 'test procedures'.[4]
- (b)Outline how the overall test score was calculated in this study.[2]
Mark scheme
Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.
- [1] She was sat in the room with her back to Alex/the parrot;
- [1] She did not look at Alex/the parrot during the presentation of (test) objects;
- [1] She did not know what object was being presented;
- [1] She repeated out loud what Alex/the parrot said;
- [1] It was then decided if the response was correct/incorrect/indistinct.
- [1] Dividing the total number of correct identifications
- [1] by the total number of presentations required
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