Table A1.

An example of repertory grid.

	Offline Self	Ideal Self	Future Self	Past Self	My Body Now	My Body in the Past	Mum	Dad	The Person I Like	The Person I Do Not Like	How Others See Me	Self on Instagram	Self after the “Like”	Self after Receiving No “Like”	My Best Friend
Lively	−2	−2	−2	−2	−2	−2	2	−1	−2	−3	−2	−2	−2	−2	−1	Peaceful
Mature	−1	−2	−2	2	−1	2	−2	−2	−2	3	−2	−2	−2	−1	−1	Immature
Joyful	−2	−2	−2	−2	0	0	1	1	−3	0	−3	−2	−2	2	−2	Boring
Good	2	2	2	−2	0	0	−3	2	−2	1	−2	−2	−2	−2	−2	Mean
Fake	2	3	3	3	0	0	2	3	3	−3	3	3	3	2	3	Real
Weird	−2	−2	−2	−2	0	0	2	2	2	2	−2	−2	−2	−2	2	Normal
Anger	−2	−2	−2	−1	0	0	−3	−3	3	2	2	1	2	−1	3	Calm
Funny	−2	−2	−2	−2	0	0	−1	−1	−3	3	−2	−2	−2	−2	−2	Nasty
Nice	−1	−1	−1	−1	0	0	−1	−1	−3	3	−2	−2	−2	1	−2	Rude
Sweet	−2	−2	−2	−2	0	0	−1	−1	−3	3	−1	−2	−2	1	−3	Cold
Happy	−3	−3	−3	−3	−2	−2	−2	−2	−3	0	−3	−3	−3	2	−3	Sad
Sportive	−2	−3	−1	1	−2	1	3	−3	3	−2	0	0	0	0	−3	Non-athletic
Coherent	−2	−3	−3	3	0	0	1	−2	3	−2	−2	−2	−1	−2	−2	Incoherent
Friendly	−2	−2	−2	−3	0	0	−2	−1	0	−2	−1	−2	−1	−1	−2	Antisocial