The procedure in the study by Canli et al. (brain scans and emotions) was standardised as each participant was treated in the same way. Explain one advantage of standardisation, using this study as an example.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2018). The mark or mark type is shown in brackets.

1. [2] Both marks are for the advantage. 1 mark for identifying an advantage. 2nd mark for linked detail. standardisation ensures every participant is treated the same way (= 1 mark for identification of advantage) [= rep of Q] easy to replicate increase reliability in Canli et al., the duration of presentation / duration of the interval / fixation cross / right hand to press button was always the same (= 1 mark for linked detail)