Correlational finding on Happiness and Number of close friends
Subject code: F06ab01

StudyCheng & Chan (2006): study HK 2000
TitleRelationship with Others and Life Satisfaction in Later Life: Do Gender and Widowhood make a Difference?
SourceJournal of Gerontology, 2006, Vol. 61b, 46 - 53
Public60+ aged, Hong Kong, 2000
SampleProbability multi-stage random
Non-Response
Respondents N =1616

Correlate
Author's labelFriendship
Page in Source 49-50
Our classificationNumber of close friends, code F06ab01
Operationalization
Self report on 2 questions:
a: How often do you feel that others (nonrelatives) are 
concerned about you?
b: How many friends do you have with whom you have a 
lot to talk about?

Response options not reported
Observed distributionM=3,24 SD=0.97
Error EstimatesCronbach's alpha is .60

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-Sum-?-mq-?-7-ar=+.30 p < .001
Set Image size:   



Appendix 1: Happiness measures used
CodeFull Text
O-Sum-?-mq-?-7-aSelfreport on 2 questions

A Happiness
B Life-satisfaction

Texts not reported

Summation: A+B


Appendix 2: Statistics used
SymbolExplanation
rPRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient')
Type: test statistic.
Measurement level: Correlate: metric, Happiness: metric
Range: [-1; +1]

Meaning:
r = 0 no correlation ,
r = 1 perfect correlation, where high correlate values correspond with high happiness values, and
r = -1 perfect correlation, where high correlate values correspond with low happiness values.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl