Table 2. Means and Standard Deviations of Academic and Social Self-Concept and Self, Teacher, and Peer Reports Examined in Relation to Self-Concept.

Child self-ratings
	Academic Self-Concept	Social Self-Concept	Self-worth	Loneliness
Fall of 3rd grade	3.09 (.72)	3.07 (.78)	3.22 (.71)	1.72 (.95)
Spring of 3rd grade	3.05 (.73)	3.04 (.74)	3.25 (.69)	1.93 (1.14)
Fall of 4th grade	3.11 (.71)	3.14 (.78)	3.28 (.66)	1.64 (.91)
Spring of 4th grade	3.19 (.74)	3.20 (.78)	3.31 (.67)	1.71 (1.02)
Fall of 5th grade	3.11 (.74)	3.21 (.75)	3.34 (.69)	1.66 (.92)
Spring of 5th grade	3.17 (.73)	3.21 (.78)	3.32 (.72)	1.70 (.96)
Fall of 6th grade	3.18 (.73)	3.28 (.74)	3.38 (.66)	1.62 (.91)
Spring of 6th grade	3.12 (.77)	3.25 (.74)	3.32 (.71)	1.64 (.90)
Fall of 7th grade	3.13 (.73)	3.28 (.74)	3.39 (.66)	1.64 (.85)
Spring of 7th grade	3.04 (.77)	3.34 (.70)	3.30 (.69)	1.68 (.89)
Teacher ratings of child
	Academic Skills	Soc. Engagement	Aggression	Attention
Fall of 3rd grade	3.66 (.92)	4.06 (.79)	1.42 (.79)	3.74 (.98)
Spring of 3rd grade	3.76 (1.00)	4.03 (.76)	1.62 (.92)	3.64 (1.05)
Fall of 4th grade	3.70 (.84)	4.08 (.69)	1.38 (.59)	3.80 (.95)
Spring of 4th grade	3.76 (.93)	4.24 (.67)	1.39 (.58)	3.77 (.98)
Fall of 5th grade	3.47 (.92)	3.92 (.72)	1.51 (.74)	3.59 (1.00)
Spring of 5th grade	3.48 (.92)	3.99 (.75)	1.60 (.78)	3.64 (.98)
Fall of 6th grade	3.71 (.98)	4.24 (.76)	1.46 (.74)	3.80 (.99)
Spring of 6th grade	3.72 (.99)	4.19 (.82)	1.54 (.74)	3.80 (.98)
Fall of 7th grade	3.26 (.70)	3.56 (.63)	1.60 (.70)	3.51 (.85)
Spring of 7th grade	3.30 (.83)	3.63 (.66)	1.62 (.77)	3.47 (.91)
Peer nomination scores
	Peer academic reputation	Social Preference	Social Impact	Aggression	Victimization
Fall of 3rd grade	0 (1.56)	0 (1.61)	0 (1.06)	0 (.93)	0 (.81)
Spring of 3rd grade	0 (1.54)	0 (1.58)	0 (1.11)	0 (.87)	0 (.80)
Fall of 4th grade	0 (1.55)	0 (1.60)	0 (1.06)	0 (.90)	0 (.80)
Spring of 4th grade	0 (1.54)	0 (1.61)	0 (1.05)	.01 (.89)	0 (.78)
Fall of 5th grade	0 (1.51)	0 (1.63)	0 (1.03)	.01 (.92)	0 (.88)
Spring of 5th grade	0 (1.55)	0 (1.65)	0 (.97)	0 (.89)	0 (.85)
Fall of 6th grade	0 (1.52)	.01 (1.43)	0 (1.31)	0 (.96)	0 (.93)
Spring of 6th grade	0 (1.54)	-.03 (1.50)	-.01 (1.26)	0 (.93)	- .01 (.88)
Fall of 7th grade	0 (1.43)	0 (1.53)	-.02 (1.34)	0 (.93)	0 (.97)
Spring of 7th grade	0 (1.46)	.03 (1.53)	.01 (1.31)	0 (.94)	.01 (1.02)

Note: Each cell presents the mean value, with standard deviations in parentheses