Facebook Addiction Scale: exploratory validity studies

Cerdeira, José Pedro

doi:10.1590/1809-5844201824

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Article • Intercom, Rev. Bras. Ciênc. Comun. 41 (2) • May-Aug 2018 • https://doi.org/10.1590/1809-5844201824 linkcopy

Facebook Addiction Scale: exploratory validity studies

Authorship SCIMAGO INSTITUTIONS RANKINGS

This paper intends to develop the first validity studies of a Portuguese version of Facebook Addiction Scale (AFS) by Koc and Gulyagci (2013). The study was carried out with a convenience sample (N=144), through a questionnaire made available online. Statistical analyzes of the results suggest that the scale has excellent psychometric properties, similar to those of the original scale. Analysis of the principal components, with varimax rotation, reveals the existence of a single factor, able of explaining 63,7% of the total variance, while the internal consistency analysis is .91 (Cronbach’s alpha).

Keywords
Facebook Addiction Scale; Behavioral Dependencies; Behavioral Addiction; Internet attitudes; Social networks

Scale items	Mean	SD	1	2	3	4	5	6	7	8
1.	3.18	1.68	-
2.	3.15	1.97	.56	-
3.	2.75	1.78	.68	.51	-
4.	2.74	1.61	.52	.49	.61	-
5.	2.58	1.76	.53	.47	.57	.62	-
6.	2.72	1.86	.51	.50	.59	.61	.63	-
7.	2.31	1.49	.55	.51	.67	.55	.61	.72	-
8.	2.34	1.53	.55	.45	.65	.55	.68	.70	.75	-

Scale items	Corrected item-total correlation	R ²	Cronbach’s Alpha (if item deleted)
1.	.69	.54	.91
2.	.61	.41	.92
3.	.76	.63	.90
4.	.71	.53	.91
5.	.73	.57	.90
6.	.76	.63	.90
7.	.78	.67	.90
8.	.77	.67	.90

	Component	h ²
	1	h ²
07_Sinto-me ansioso quando não consigo aceder ao Facebook.	.85	.72
08_Já tentei gastar menos tempo no Facebook, mas não consegui.	.84	.70
06_A minha família e os meus amigos acham que eu gasto muito tempo com o Facebook.	.83	.69
03_Perco horas de sono por passar muito tempo no Facebook.	.83	.69
05_Quando estou em baixo, ligo-me ao Facebook para me sentir melhor.	.80	.64
04_O uso que faço do Facebook interfere com as minhas actividades sociais.	.78	.60
01_Tenho dificuldades em concentrar-me no meu trabalho académico por causa do uso que faço do Facebook.	.76	.58
02_A primeira coisa de que me lembro quando acordo é ligar-me ao Facebook.	.69	.48
Eigen values	5.10
% of variance explained	63.7

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[1] Source: Prepared by the author.

Scale items	Corrected item-total correlation	R ²	Cronbach’s Alpha (if item deleted)
1.	.69	.54	.91
2.	.61	.41	.92
3.	.76	.63	.90
4.	.71	.53	.91
5.	.73	.57	.90
6.	.76	.63	.90
7.	.78	.67	.90
8.	.77	.67	.90

Scale items	Corrected item-total correlation	R ²	Cronbach’s Alpha (if item deleted)
1.	.69	.54	.91
2.	.61	.41	.92
3.	.76	.63	.90
4.	.71	.53	.91
5.	.73	.57	.90
6.	.76	.63	.90
7.	.78	.67	.90
8.	.77	.67	.90

Scale items	Corrected item-total correlation	R ²	Cronbach’s Alpha (if item deleted)
1.	.69	.54	.91
2.	.61	.41	.92
3.	.76	.63	.90
4.	.71	.53	.91
5.	.73	.57	.90
6.	.76	.63	.90
7.	.78	.67	.90
8.	.77	.67	.90