Correlational findings

Study Freeman et al. (1986): study US 1979

Adolescents, USA followed 2 years, 1979-1981
N = 27
Non Response:
Experience sampling
Each respondent filled out self-report forms in response to signals occurring once every 2 hours (randomly generated) from 7:30 in the morning to 10:30 on weekday evenings and until 1:30 a.m. on Friday and Saturday for the duration of 1 week at T1 and T2.


Authors's label
Changes in immediate experience from T1 to T2.
Our Classification
Self report of momentary affect, repeated every 2 hours during two weeks

Lead question not reported
A  Happy vs Sad
B  Friendly vs Angry
C  Cheerful vs Irritable
D  Sociable  vs Lonely

Rated on 7 step numerical scale (semantic differential).

Average mood as assessed using Experience Sampling during 2 weeks at
T1: 1979
T2: 1981

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks A-ASA-mi-mqr-n-7-b DM = -.10 T1 average affect:   M= 4,83
T2 average affect:   M= 4,73
-difference            -0,10
A-ASA-mi-mqr-n-7-b r = +.77 p < .00 Correlation between T1 and T2. A-ASA-mi-mqr-n-7-b t. = -1,4 A-ASA-mi-mqr-n-7-b = While there was virtually no difference in the reported quality of immediate experience over the 2-year span, respondents believed a strongly positive change to have taken place.