PhD

Assistant professor

Associate professor

Full professor

R square

0.48

0.62

0.636

0.594

F

25,751

40,757

43,617

36,624

p-value

0.000^a

0.000^a

0.000^a

0.000^a

β

1892

1754

1923

1817

T

5075

6384

6604

6052

p-value

0.000^a

0.000^a

0.000^a

0.000^a