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Correlational findings

Study Erdman (1981): study NL 1978

Public
Heart patients, The Netherlands 1978-1979
Sample
Respondents
N = 1752
Non Response
6,0%
Assessment
Interview: face-to-face

Correlate

Authors's Label
Feeling of invalidity
Our Classification
Operationalization
Factor derived from respouses of the following statements:
-I be at home as it is windy and cold
-I can do much work
-I have a lote of enderance
-I have not enough staying power
-I feel tired
-I feel a tight feeling in one's chest
-I feel very strong
-I can do things very fast
-I am very thired
-I can do loaded work
-I am often out of breath
-I can do very good sports

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks M-TH-g-sq-v-4-b DM = - p < .001               Invalidity score
-Happy(4)     M = 25.76    SD = 4.86
-unhappy(1-3) M = 29.34    SD = 3.81
difference    M = -4.42    SD = 1.05
M-TH-g-sq-v-3-d DM = - p < .01
-happy(3)     M= 25.66   SD = 5.06
-unhappy(1-2) M= 27.61   SD = 4.36
difference    M= -1.95   SD = 0.70