Table 6 Results of regression analyses (standardized regression coefficients ß) with cooperation performance as dependent variable (Model 1–8)

Independent variables

 Formal control

0.50^***

0.41^***

0.46^***

0.38^***

 Mutual control

0.41^***

0.21^***

0.36^***

0.19^***

 Trust principal

0.28^***

0.16^**

0.20^***

0.14^**

 Trust agent

 Interdisciplinarity

 Expectation of continuity

 Cooperation satisfaction

Interactions

 Formal control × Interdisciplinarity

 Mutual control × Interdisciplinarity

 Trust principal × Interdisciplinarity

 Trust agent × Interdisciplinarity

 Formal control × Expectation

 Mutual control × Expectation

 Trust principal × Expectation

 Trust agent × Expectation

Control variables

 Sex

-0.23^***

-0.15^**

-0.15^**

-0.12^*

-0.23^***

-0.15^**

-0.16^**

-0.13^*

 Age

0.10^!

0.08^!

0.06

0.08^!

0.12^t

0.09^!

0.08^!

0.09^!

 Level of education

0.04

0.07

0.06

0.08^!

0.03

0.06

0.04

0.07

 Personal responsibility

0.14^*

0.09^!

0.13^*

0.10^t

0.15^*

0.10^t

0.14^*

0.11^*

 Experience with interdisciplinarity

0.07

0.04

0.02

0.02

0.07

0.04

0.03

0.02

 Size of network

-0.11^*

-0.12^*

-0.09^t

-0.11^*

-0.09^t

-0.11^*

-0.08^!

-0.10^*

 Proximity of network

0.02

-0.05

-0.01

-0.04

0.01

-0.05

-0.01

-0.04

 R²

0.08

0.32

0.25

0.37

0.16

0.34

0.28

0.38

 R² Change to model 1, 2, 3, 4, 13, resp. 15

0.03^***

0.02^**

0.04^***

0.02^**

 Adjusted R²

0.06

0.31

0.23

0.35

0.14

0.32

0.26

0.36

 N

333

329

323

320

332

328

322

319