Table 3 Flores-Mir methodological score for study.

From: Attractiveness and determinants of maxillary midline diastemas in a West African smile

Participant number

Sampling method

Presentation of photos

Viewing protocol

Intra-examiner reliability

Scoring technique

Methodological score

375 (334 lay persons)

Opportunistic Sample using gatekeepers and social media sharing

INCLUSION CRITERIA

• Adult aged 18+

• Heritage in West Africa

Full face photos with altered diastema widths only

Participants viewed photos one at a time in a randomly allocated order (female photos first then male photos) and could technically go back to review photos on browser

Participants subsequently viewed all photos simultaneously and rated the most and least attractive allowing the figures to be compared to independent ratings

5-point Likert Scale

20/22

4/4

3/3

6/6

3/4

1/2

3/3