Table 2 Construct validity (factor analysis) and homogeneity (Cronbach’s alpha coefficient). Utilisation of the 15-item instrument

Measurements I and II

I

II

I

II

I

II

I

II

I

II

I

II

I

II

64.6

58.7

Attended a scientific seminar (ID)

0.71

0.66

0.79

0.68

Attended a research conference (ID)

0.75

0.61

0.78

0.64

Attended a scientific seminar (D)

0.67

0.57

0.75

0.71

Attended a research conference (D)

0.56

0.63

0.73

0.76

Cronbach’s alpha:

0.82

0.76

55.2

55.1

Read the research bulletin (D)

0.67

0.58

0.76

0.66

Read a popular science report (ID)

0.67

0.69

0.67

0.74

Read the research bulletin (ID)

0.54

0.55

0.67

0.64

Read a popular science report (D)

0.50

0.64

0.63

0.73

Cronbach’s alpha:

0.73

0.80

87.4

83.4

Read information on the Internet (D)

0.86

0.70

0.90

0.82

Read information on the Internet (ID)

0.85

0.74

0.90

0.81

Cronbach’s alpha:

0.84

0.80

50.8

51.0

Was informed about R&D at the management level (ID)

0.52

0.64

0.68

0.78

Participated in an R&D course (ID)

0.68

0.44

0.62

0.57

Described an R&D project (ID)

0.63

0.51

0.61

0.61

Cronbach’s alpha:

0.52

0.52

84.1

77.8

Read information on the Intranet (D)

0.79

0.76

0.87

0.85

Read information on the Intranet (ID)

0.78

0.68

0.86

0.67

Cronbach’s alpha:

0.81

0.71

Cronbach’s alpha (overall): Measurement I: 0.78

Measurement II: 0.79