Concerns

Sum of Squares

df

Mean Square

F

Sig.

Age

Between Groups

18.124

5

3.625

7.050

0.000

Within Groups

92.547

180

0.514

Total

110.671

185

Highest qualification

Between Groups

18.183

3

6.061

11.927

0.000

Within Groups

92.488

182

0.508

Total

110.671

185

Teaching level

Between Groups

7.549

4

1.887

3.312

0.012

Within Groups

103.122

181

0.570

Total

110.671

185

Years spent in service

Between Groups

32.615

5

6.523

15.042

0.000

Within Groups

78.056

180

0.434

Total

110.671

185