TABLE 4.

Variance decomposition of the state SVS-GM3 and estimates of between- and within-person reliability.

Variance component	SVS-GM3	%
${\mathrm{\sigma }}_{\text{PERSON}}^2$	1.72	40.5
${\mathrm{\sigma }}_{\text{TIME}}^2$	0.14	3.3
${\mathrm{\sigma }}_{\text{ITEM}}^2$	0.06	1.5
${\mathrm{\sigma }}_{\mathrm{PERSON}*\mathrm{TIME}}^2$	1.69	39.6
${\mathrm{\sigma }}_{\mathrm{PERSON}*\mathrm{ITEM}}^2$	0.06	1.3
${\mathrm{\sigma }}_{\mathrm{TIME}*\mathrm{ITEM}}^2$	0.03	0.7
${\mathrm{\sigma }}_{\text{ERROR}}^2$	0.56	13.1
Total	4.27	100.0
RKF	0.99
RKR	0.94
R1F	0.90
R1R	0.46
Rc	0.90

R_KF, Reliability coefficient of a fixed diary period; R_KR, Reliability coefficient of different diary periods; R_1F, Reliability coefficient of measures taken on a fixed day; R_1R, Reliability coefficient of measures taken on a randomly selected day; R_C, Within-person reliability coefficient over time; SMS-GM3, 3-item modified German Subjective Vitality Scale.