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Table 7 Service quality expectation and perception average scores for assurance

From: A terminal level analysis of service quality at Nigerian seaports

Service quality questions

ENLC

ABT

APMT

FSLT

TICT

PCHS

JPS

PTML

Expectation dimension

 Sympathetic and reassuring when problems arise

4.97

4.97

4.99

5

5

4.96

5

4.92

 Trust officials at seaports

4.99

4.98

4.84

4.98

5

4.97

4.98

4.95

 Feel safe in my transactions with officials at seaports

4.97

4.95

4.85

5

5

4.97

4.98

4.93

 Seaports officials are polite

5

4.97

4.71

5

4.97

4.97

4.95

4.97

 Officials get adequate support from management

4.99

4.97

4.95

5

4.94

4.96

4.92

4.95

Expectation scores

4.98

4.97

4.87

5

4.98

4.97

4.97

4.94

Perception dimension

 Sympathetic and reassuring when problems arise

3.6

3.8

4.11

3.65

3.36

3.07

4.02

4.27

 Trust officials at seaports

3.31

3.66

3.76

3.05

3.47

3.39

3.6

3.9

 Feel safe in my transactions with officials at seaports

3.7

4

4.15

2.86

3.66

3.49

3.91

4.29

 Seaports officials are polite

3.61

3.75

3.77

3.62

3.11

3.46

3.94

3.99

 Officials get adequate support from management

3.83

3.77

3.95

2.63

3.24

3.14

4.14

4.12

Perception scores

3.61

3.8

3.95

3.16

3.37

3.31

3.92

4.11

Gap scores

 Sympathetic and reassuring when problems arise

−1.37

− 1.17

− 0.88

− 1.35

− 1.64

− 1.89

− 0.98

− 0.65

 Trust officials at seaports

− 1.68

− 1.32

− 1.08

− 1.93

− 1.53

−1.58

− 1.38

−1.05

 Feel safe in my transactions with officials at seaports

−1.27

− 0.95

− 0.7

− 2.14

− 1.34

−1.48

− 1.07

− 0.64

 Seaports officials are polite

− 1.39

− 1.22

− 0.94

−1.38

− 1.86

−1.51

− 1.01

− 0.98

 Officials get adequate support from management

− 1.16

− 1.2

− 1

− 2.37

−1.7

− 1.82

− 0.78

− 0.83

Gap scores

− 1.37

− 1.17

− 0.92

− 1.83

− 1.61

− 1.66

− 1.04

− 0.83

  1. Source: Authors