Correlational finding on Happiness and Mood during the interview
Subject code: M15ab01

StudySeidlitz & Diener (1993): study US 1988 /2
TitleMemory for Positive versus Negative Life Events: Theories for the Differences between Happy and Unhappy Persons.
SourceJournal of Personality and Social Psychology, 1993, Vol. 64, 654 - 664
PublicPsychology students, selected for earlier happiness, followed 11 month, USA, 198?-8?
Sample
Non-ResponseDrop-out: T0-T1: 28%, T1-T2: 41%
Respondents N =54

Correlate
Author's labelCurrent mood
Page in Source 661
Our classificationMood during the interview, code M15ab01
Operationalization
Single direct question, rated on a 11 point scale: "How 
happy or unhappy do you feel at the present moment?"
10. extremely happy 
    (ecstatic, joyous,fantastic)
9.  very happy
    (really good, elated)
8.  pretty happy
    (spirits high, feeling good)
7.  mildly happy
    (fairly good and somewhat cheerful)
6.  slightly happy 
    (just a bit above neutral)
5.  neutral
    (not particularly happy or unhappy)
4.  slightly unhappy
    (just a bit below neutral)
3.  mildly unhappy
    (just a litle low)
2.  pretty unhappy
    (somewhat "blue", spirits down)
1.  very unhappy 
    (depressed, spirits very low)
0.  extremely unhappy
    (utterly depressed, completely        down) 
 
Part of Fordyce's (1988) 'Happiness-Measure'

Assessed at T1 and T2
(11 month interval)

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
A-AOL-g-mq-*-0-ar=+.54 p < .001
T1 happiness with T1 mood 
A-AOL-g-sq-v-11-ar=+.22
A-AOL-g-mq-*-0-ar=+.42 p < .01
T1 happiness with T2 mood 
A-AOL-g-mq-*-0-ar=+.45 p < .01
T2 happiness with T1 mood 
A-AOL-g-mq-*-0-ar=+.58 p < .001
T2 happiness with T2 mood 


Appendix 1: Happiness measures used
CodeFull Text
A-AOL-g-mq-*-0-aSelfreport on 2 questions:

A: "In general how happy or unhappy do you usually feel? Check the one statement below that best describes your average happiness.
10 extremely happy (feeling ecstatic, joyous, fantastic)
9 very happy (feeling really good, elated)
8 pretty happy (spirits high, feeling good)
7 mildly happy (feeling fairly good and somewhat cheerful)
6 slightly happy (just a bit above neutral)
5 neutral (not particularly happy or unhappy)
4 slightly unhappy (just a bit below neutral)
3 mildly unhappy (just a little low)
2 pretty unhappy (somewhat "blue", spirits down)
1 very unhappy (depressed, spirits very low)
0 extremely unhappy (utterly depressed, completely down)"

B: "Consider your emotions a moment further. On the average.
- What percent of the time do you feel happy?
- What percent of the time do you feel unhappy?
- What percent of the time do you feel neutral (neither happy
nor unhappy)?
Make sure the three figures add-up to equal 100%".

Scoring:
- Question A : 0.- 10
- Question B : % happy
Summation : (A * 10 + B)/2
A-AOL-g-sq-v-11-aSelfreport on single question:

." In general how happy or unhappy do you usually feel....?"
Check the one statement that best describes your average happiness.
10 extremely happy (feeling ecstatic, joyous, fantastic)
9 very happy (feeling really good, elated)
8 pretty happy (spirits high, feeling good)
7 mildly happy (feeling fairly good and somewhat cheerful)
6 slightly happy (just a bit above neutral)
5 neutral (not particularly happy or unhappy)
4 slightly unhappy (just a bit below neutral)
3 mildly unhappy (just a little low)
2 pretty unhappy (somewhat "blue", spirits down)
1 very unhappy (depressed, spirits very low)
0 extremely unhappy (utterly depressed, completely down)

Fordyce Happiness Scale


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