Supplemental Material, Online_Supplementary_Material - Comparing Grids With Vertical and Horizontal Item-by-Item Formats for PCs and Smartphones

<p> Supplemental Material, Online_Supplementary_Material for Comparing Grids With Vertical and Horizontal Item-by-Item Formats for PCs and Smartphones by Melanie Revilla and Mick P. Couper in Social Science Computer Review </p

Sampling and response to web survey for Natsal-3 wave 7 respondents.

<p>Sampling and response to web survey for Natsal-3 wave 7 respondents.</p

Sampling and response to web survey for Natsal-3 wave 8 respondents.

<p>Sampling and response to web survey for Natsal-3 wave 8 respondents.</p

Associations with reporting different answers, and if different answer, for reporting more sensitive response in the web and not in Natsal-3.

<p>Associations with reporting different answers, and if different answer, for reporting more sensitive response in the web and not in Natsal-3.</p

Differences in response, pooled across questions, by question mode in Natsal-3.

<p>Differences in response, pooled across questions, by question mode in Natsal-3.</p

Men: Differences in response.

<p>Men: Differences in response.</p