Reliability and validity of the self‐perception profile for adolescents: An Australian sample

Figures & data

Table 1 SPPA subscale and GSW mean (SD) scores for males and females

	N	Total	n	Males	n	Females	Gender difference
Scholastic	1,551	2.86 (0.60)	794	2.88 (0.60)	757	2.84 (0.60)	p = .21
Conduct	1,551	2.90 (0.52)	794	2.83 (0.52)	757	2.98 (0.54)	p < .01
Athletic	1,549	2.84 (0.67)	792	2.97 (0.63)	757	2.69 (0.68)	p < .01
Appearance	1,551	2.70 (0.65)	794	2.82 (0.58)	757	2.53 (0.68)	p < .01
Acceptance	1,550	3.18 (0.54)	793	3.16 (0.53)	757	3.20 (0.55)	p = .14
Friend	1,551	3.33 (0.59)	794	3.18 (0.57)	757	3.48 (0.57)	p < .01
Romantic	1,497	2.64 (0.50)	764	2.68 (0.50)	733	2.61 (0.49)	p < .01
Job	1,507	2.91 (0.52)	770	2.89 (0.51)	737	2.93 (0.53)	p = .11
Global self‐worth	1,551	3.15 (0.53)	794	3.20 (0.46)	757	3.09 (0.58)	p < .01

Table 2 Promax pattern matrix for the eight subdomains of the SPPA

Scale items	Component
	1	2	3	4	5	6	7	8	9
Athletic competence 3	0.86
Athletic competence 39	0.81
Athletic competence 12	0.79
Athletic competence 21	0.79
Athletic competence 30	0.70
Social acceptance 11		0.86
Social acceptance 2		0.84
Social acceptance 38		0.78
Social acceptance 29		0.70
Social acceptance 20		0.60
Close friendship 35		0.48				0.35
Close friendship 8		0.43				0.40
Physical appearance 13			0.91
Physical appearance 22			0.89
Physical appearance 4			0.82
Physical appearance 40			0.73
Physical appearance 31			0.54					0.48
Scholastic competence 28				0.85
Scholastic competence 37				0.76
Scholastic competence 10				0.75
Scholastic competence 1				0.74
Scholastic competence 19				0.71
Behavioural conduct 34					0.81
Behavioural conduct 7					0.80
Behavioural conduct 16					0.79
Behavioural conduct 43					0.78
Close friendship 17						0.84
Close friendship 44						0.80
Close friendship 26						0.79
Job competence 23							0.85
Job competence 5							0.83
Job competence 41							0.78
Job competence 14							0.50
Job competence 32							0.32
Romantic 24								0.69
Romantic 6								0.65
Romantic 33								0.63
Romantic 15								0.31	0.85
Romantic 42								0.32	0.79
Eigenvalue	8.34	3.63	3.13	2.30	1.92	1.58	1.31	1.22	1.16
% Variance	20.85	9.08	7.82	5.74	4.80	3.96	3.27	3.04	2.91

Table 3 Correlation matrix between self‐perception components

Subscale	1 A	2 SA	3 PA	4 SC	5 BC	6 CF	7 JC	8 R	9 R‐
1 A	1.00
2 SA	0.38	1.00
3 PA	0.38	0.36	1.00
4 SC	0.18	0.29	0.29	1.00
5 BC	0.02	0.25	0.29	0.46	1.00
6 CF	0.12	0.46	0.06	0.10	0.18	1.00
7 JC	0.17	0.32	0.16	0.28	0.17	0.15	1.00
8 R	0.24	0.26	0.20	0.12	−0.09	0.15	0.12	1.00
9 R‐	0.16	0.34	0.23	0.12	0.14	0.16	0.22	‐0.11	1.00

A = athletic competence; SA = social acceptance; PA = physical appearance; SC = scholastic competence; BC = behavioural conduct; CF = close friendship; JC = job competence; R = romantic.

Table 4 A comparison of studies of internal reliability for Harter's SPPA

Subscale	Raine	Harter	Bouffard	Trent et al.	Wichstrøm^a
Athletic	0.87	0.89	0.91	0.89	0.66/0.79
Appearance	0.86	0.86	0.91	0.85	0.76/0.87
Friend	0.82	0.82	0.84		0.75/0.78
Social acceptance	0.81	0.81	0.83	0.85^b	0.56/0.76
Scholastic	0.82	0.82	0.77	0.91^c	0.60/0.69
Conduct	0.77	0.78^d	0.76	0.59	–
Job	0.72	0.74^d	0.73	–	–
Romantic	0.68	0.81	0.63	0.70	0.65/0.75
GSW	0.81	0.85	0.85	0.82	0.68/0.77

a Structured alternative/Likert.

b ^b Combined close friend/social acceptance.

c ^c Combined scholastic competence/math competence.

^d Used Harter's (1988) revised D sample only.

Table 5 Correlations between global self‐worth (GSW) and specific subscales

Subscales	GSW	Scholastic	Behaviour	Job	Social	Athletic	PA	CF
Scholastic	0.41
Behaviour	0.46	0.48
Job	0.27	0.26	0.18
Social	0.49	0.23	0.19	0.29
Athletic	0.40	0.19	0.06	0.19	0.42
Physical appearance	0.65	0.24	0.24	0.14	0.34	0.43
Close friend	0.37	0.18	0.26	0.24	0.57	0.21	0.18
Romantic	0.32	0.13	0.04	0.27	0.43	0.32	0.33	0.31

Harter, S. (1988). Manual for the self‐perception profile for adolescents (Unpublished manuscript). University of Denver, Denver, CO.

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