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Correlational findings

Study Demir et al. (2007): study US 2007

Public
18+ aged, university students, USA
Sample
Respondents
N = 280
Non Response
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)

Correlate

Authors's Label
Friendship quality and conflict
Our Classification
Operationalization
5 scales of NRI (Fuhrman and Buhrmester, 1985), each consisting of 3 items:
A companionship
B intimacy
C reliable alliance
D affection
E conflict

Rated occurence in their best friendship on a 5-point scale ranging from 1(little or none) to 5 (the most)

composite value 'best friendship quality' is the sum of the items A+B+C+D

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-BW-cm-mq-v-5-e r = .12 ns Best friendship quality
PA A-BW-cm-mq-v-5-e r = -.19 p < .01 NA A-BW-cm-mq-v-5-e r = -.13 ns Best friendship conflict
PA A-BW-cm-mq-v-5-e r = .14 ns NA A-BW-cm-mq-v-5-e r = .08 ns First close friendship quality
PA A-BW-cm-mq-v-5-e r = -.16 p < .05 NA A-BW-cm-mq-v-5-e r = -.08 ns First close friendship conflict
PA A-BW-cm-mq-v-5-e r = .10 ns NA A-BW-cm-mq-v-5-e r = .09 ns Second close friendship quality
PA A-BW-cm-mq-v-5-e r = -.08 ns NA A-BW-cm-mq-v-5-e r = -.02 ns Second close friendship conflict
PA A-BW-cm-mq-v-5-e r = .03 ns NA