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Correlational findings

Study Sakawa et al. (2015): study JP Kinki 2006

Public:
Students, Osaka, Japan, followed 14 months, 2006-2008
Sample:
Respondents:
N = 70
Non Response:
13%
Assessment:
Questionnaire: web
Respondents were asked to fill out a daily survey and and an hourly survey: - Daily survey: During a month respondents were asked to report every day their happiness and evaluation of personal and macro news (how good or bad they are) Arriving on that day. - Hourly survey: Respondents were asked to choose one day every month on which to report their happiness and what they were doing just before reporting, once during every hour that day.

Correlate

Authors's label
Month of the year
Our Classification
Operationalization
Average of 24 hourly happiness ratings at randomly determined moments during one day of each month.

Observed Relation with Happiness

Happiness Measure Statistics Special Research Type Elaboration / Remarks A-ARE-m-sqr-n-11-b OLRC = +/- none                OLRC    p<.
January        +.07    ns
February       +.07    ns
March          +.38    001
April          +.20    05
May            +.28    01
June           +.12    ns
July           -.17    10
August         +.19    05
September      +.12    ns
October        +.10    ns
November (ref.)
December       +.21    01

Summarized: in march, april, may, august, and december respondents were significantly happier. In 5 months of the year happiness is higher than in november.

OLRC controlled for:
-other months in the equation
-daily hours 1-24

Extra control for 'daily activities' did not effect OLRC significantly.