Over

Mean

Std. Err.

[95% Conf.

Interval]

Hard-work

_Very Happy

4.00

0.020

3.96

4.04

_Quite Happy

4.27

0.014

4.24

4.30

_Not very Happy

4.37

0.030

4.31

4.43

_Not at all Happy

4.54

0.078

4.39

4.70