(2nd edn), (pp. 436–455). New York: Research and Clinical Applications, Guildford Press. 1. Mean and Standard Deviations for Explanatory and Response Variables with Standardised Norms and Effect Size Comparisons. Measure Variable Range of Present Norms Effect size possible Study difference M (SD) scores (Cohen’s M (SD) d) (n = 203) IPPA-R Parental -4 - 52 35.56 (9.14) 21.70 (8.71) 1.55 Attachment (Large) Peer -3 47 29.85 (8.13) 26.45 (7.94) 0.42 – Attachment (Small) PSSM School 1-5 3.24 (0.65) 3.86 (0.72) 0.90 (Large) SDQ Conduct 0-10 3.41 (1.86) 2.2 (1.7) 0.68 Problems (Medium) Emotional 0-10 3.81 (2.26) 2.8 (2.1) 0.46 difficulties (Small) Prosocial 0-10 6.61 (2.11) 8.0 (1.7) 0.73 behaviour (Medium) Table 2. Bivariate Correlations between Explanatory and Response Variables in the Current Study. 1 2 3 4 5 6 7 8 1.Parental - .305** .306** -.451** -.242** .232** -.149* .169* Attachment 2.Peer - - .406** -.292** -.128* .444** .014 .463** Attachment 3.School - - - -.239** -.149* .334** -.085 .126 Connectedness 4.Conduct - - - - .315** -.178* .047 -.199** Problems 5.Emotional - - - - - .153* -.129 .065 Difficulties 6.Prosocial - - - - - - -.116 .426** behaviour 7.Age - - - - - - - .002 8.Gender - - - - - - - -
Research and Clinical Applications, (2nd edn), (pp. 436–455). New York: Guildford Press. 1. Mean and Standard Deviations for Explanatory and Response Variables with Standardised Norms and Effect Size Comparisons. Measure Variable Range of possible scores Present Study M (SD) (n = 203) Norms M (SD) Effect size difference (Cohen’s d) IPPA-R Parental Attachment -4 - 52 35.56 (9.14) 21.70 (8.71) 1.55 (Large) Peer Attachment -3 – 47 29.85 (8.13) 26.45 (7.94) 0.42 (Small) PSSM School 1-5 3.24 (0.65) 3.86 (0.72) 0.90 (Large) SDQ Conduct Problems 0-10 3.41 (1.86) 2.2 (1.7) 0.68 (Medium) Emotional difficulties 0-10 3.81 (2.26) 2.8 (2.1) 0.46 (Small) Prosocial behaviour 0-10 6.61 (2.11) 8.0 (1.7) 0.73 (Medium) Table 2. Bivariate Correlations between Explanatory and Response Variables in the Current Study. 1 2 3 4 5 6 7 8 1.Parental Attachment - .305** .306** -.451** -.242** .232** -.149* .169* 2.Peer Attachment - - .406** -.292** -.128* .444** .014 .463** 3.School Connectedness - - - -.239** -.149* .334** -.085 .126 4.Conduct Problems - - - - .315** -.178* .047 -.199** 5.Emotional Difficulties - - - - - .153* -.129 .065 6.Prosocial behaviour - - - - - - -.116 .426** 7.Age - - - - - - - .002 8.Gender - - - - - - - -
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