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Studies

Littman-Ovadia & Nir (2014): study IL 2011

Publication

Author(s):
Littman-Ovadia, H.; Nir, D.
Title:
Looking Forward to Tomorrow: The Buffering Effect of A Daily Optimism Intervention
Source:
The Journal of Positive Psychology, 2014, Vol. 9, 122 - 136

Investigation

Public:
Adults, Israel, 2011
Survey name:
Unnamed study
Sample:
Non-probability self-selected
Respondents:
N = 77
Non Response:
Assessment:
Questionnaire: web

Happiness Measure(s) and Distributional Findings

Full text:
Selfreport on 20 questions.

This scale consists of a number of words that describe different feelings and emotions. Read each item and mark the appropriate answer in the space next to that word. Indicate to what extend you generally feel this way, that is, how you feel on average?
A  nervous
B  distressed
C  afraid
D  jittery
E  irritable
F  upset
G  scared
H  ashamed
I  guilty
J  hostile
K  excited
L  active
M  determined
N  inspired
O  enthusiastic
P  alert
Q  attentive
R  proud
S  strong
T  interested

Answer options:  
1  very slightly or not at all
2  a little
3  moderately
4  quite a bit
5  extremely

Negative affect score (NAS): (A to J)/10
Positive affect score (PAS): (K to T)/10
Affect Balance Score  (ABS): PAS - NAS

Name: Watson et al's PANAS ('in general' version)
Classification:
A-BW-g-mq-v-5-g
Author's label:
Positive and negative affect scale
Remarks:
Mean score at baseline for whole sample
Page in publication:
125
Error estimates:
Cronbach's alpha PA 0.85 - 0.85 - 0.88 Cronbach's alpha NA 0.83 - 0.87 - 0.88
Observed distribution
Frequencies
1: 0%,   2: 0%,   3: 0%,   4: 0%,   5: 0%
Summary Statistics
On original range -4 - 4 On range 0-10
Mean:
1.10

Correlational Findings

Author's label Subject Description Finding Optimism intervention Online intervention
Mono sort
On invitation, payed in money or study credit
No particular setting, recruitment on interest
Positive thinking training
Meditation, mindfullness