Correlational finding on Happiness and subject: Feeling down (vs not)

StudyLewis & Joseph (1996): study GB 1994
TitleConvergent Validity of the Depression-Happiness Scale with the Crown-Crisp Experiental Index.
SourcePsychological Reports, 1996, Vol. 78, 497 - 498
PublicUniversity Students, UK, 1994
SampleNon-probability chunk sample
Respondents N =40

Author's labelDepression
Page in Source 498
Our classificationFeeling down (vs not)
Depression subscale of Crown-Crisp (1979) Experiential 
Items not reported.
Observed distributionMean:3,9; SD:2,9
Error EstimatesCronbach Alpha .67

Observed Relation with Happiness
A-BMc-cw-mq-v-4-ar=-.78 p < .01

Appendix 1: Happiness measures used
CodeFull Text
A-BMc-cw-mq-v-4-aSelfreport on 25 questions:

A number of statements that people have used to describe how they feel are given below. Read each one and circle the number that best describes how frequently that statement was true for you in the past seven days, including today. Some statements describe positive feelings and some describe negative feelings. You may have experienced both positive and negative feelings at different times in the past week.
A I felt sad
B I felt I had failed as a person
C I felt dissatisfied with my life
D I felt mentally alert
E I felt disappointed with myself
F I felt cheerful
G I felt life wasn't worth living
H I felt satisfied with my life
I I felt healthy
J I felt life crying
K I felt I had been successful
L I felt happy
M I felt I couldn't make decisions
N I felt unattractive
O I felt optimistic about the future
P I felt life was rewording
Q I felt cheerless
R I felt life has a purpose
S I felt too tired to do anything
T I felt pleased with the way I am
U I felt lethargic
V I found it easy to make decisions
W I felt life was enjoyable
X I felt life was meaningless
Y I felt run down

Answer options:
0 never
1 rarely
2 sometimes
3 often

Negative affect score (NAS): A, B, C, E, G, J, M, N, Q, S, U, X, Y.
Positive affect score (PAS): D, F, H, I, K, L, O, P, R, T, V, W.
Affect Balance Score (ABS): PAS - NAS + 39

Name: McGreal & Joseph 'Depression-Happiness Scale' (DHS)

Appendix 2: Statistics used
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]

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.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.