Factors Affecting Project Success: A Statistical Analysis

This statistical analysis explores the factors that affect project success, including highest educational level, major of study, qualifications in project management, number of courses in project management, and experience as a project manager. The study also examines the correlation between meeting quality requirements, meeting design requirements, client satisfaction, and business objectives with project success.

Independent Variables
Statistics
Gender Highest
educational
level
Major of study Qualifications in
project manage
ment
Number of
courses in
project
management
N Valid 286 286 286 286 286
Missing 14 14 14 14 14
Mode 2.00 3.00 1.00 1.00 1.00
Statistics
Experience have worked as a project manager
N Valid 286
Missing 14
Mode 1.00
Frequency Table
Gender
Frequency Percent Valid Percent Cumulative
Percent
Valid
Male 136 45.3 47.6 47.6
Female 150 50.0 52.4 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Highest educational level
Frequency Percent Valid Percent Cumulative
Percent
Valid
Secondary 8 2.7 2.8 2.8
B.A/ BSc 181 60.3 63.3 66.1
M.A/ MSc 76 25.3 26.6 92.7
Doctorate 21 7.0 7.3 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0

Major of study
Frequency Percent Valid Percent Cumulative
Percent
Valid
Engineering 211 70.3 73.8 73.8
Architecture 14 4.7 4.9 78.7
Management 10 3.3 3.5 82.2
Other
(please
specify)
51 17.0 17.8 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Qualifications in project management
Frequency Percent Valid Percent Cumulative
Percent
Valid
PMP (Project Management
Professional) 146 48.7 51.0 51.0
CAPM (Certified Associate in
Project Management) 35 11.7 12.2 63.3
Prince2 (Project IC
Controlled Environment) 14 4.7 4.9 68.2
None 81 27.0 28.3 96.5
Other (please specify) 10 3.3 3.5 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Number of courses in project management
Frequency Percent Valid Percent Cumulative
Percent
Valid
0-5 95 31.7 33.2 33.2
6-10 81 27.0 28.3 61.5
10+ 41 13.7 14.3 75.9
None 30 10.0 10.5 86.4
5.00 39 13.0 13.6 100.0

Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Experience have worked as a project manager
Frequency Percent Valid Percent Cumulative
Percent
Valid
1-5 116 38.7 40.6 40.6
6-10 59 19.7 20.6 61.2
11-15 43 14.3 15.0 76.2
16-20 68 22.7 23.8 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Dependent Variables
Statistics
Completed
within budget
Meeting quality
requirements
Meeting design
requirements
Client
satisfaction
Business
Objectives
N Valid 286 286 286 286 286
Missing 14 14 14 14 14
Mean 3.1678 4.2657 4.3252 4.1958 3.2622
Median 3.0000 4.0000 4.0000 4.0000 3.0000
Std. Deviation 1.30578 .93246 .91911 1.03455 1.47652
Minimum 1.00 1.00 1.00 1.00 1.00
Maximum 6.00 6.00 6.00 6.00 6.00
Frequency Table
Completed within budget
Frequency Percent Valid Percent Cumulative
Percent
Valid Never 37 12.3 12.9 12.9
Seldom 56 18.7 19.6 32.5
Sometimes 67 22.3 23.4 55.9
Frequently 78 26.0 27.3 83.2

Always 44 14.7 15.4 98.6
Unsure 4 1.3 1.4 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Meeting quality requirements
Frequency Percent Valid Percent Cumulative
Percent
Valid
Never 8 2.7 2.8 2.8
Seldom 5 1.7 1.7 4.5
Sometimes 29 9.7 10.1 14.7
Frequently 109 36.3 38.1 52.8
Always 131 43.7 45.8 98.6
Unsure 4 1.3 1.4 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Meeting design requirements
Frequency Percent Valid Percent Cumulative
Percent
Valid
Never 4 1.3 1.4 1.4
Seldom 1 .3 .3 1.7
Sometimes 46 15.3 16.1 17.8
Frequently 98 32.7 34.3 52.1
Always 121 40.3 42.3 94.4
Unsure 16 5.3 5.6 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Client satisfaction
Frequency Percent Valid Percent Cumulative
Percent
Valid Never 4 1.3 1.4 1.4
Seldom 9 3.0 3.1 4.5
Sometimes 61 20.3 21.3 25.9
Frequently 83 27.7 29.0 54.9
Always 111 37.0 38.8 93.7

Unsure 18 6.0 6.3 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Business Objectives
Frequency Percent Valid Percent Cumulative
Percent
Valid
Never 41 13.7 14.3 14.3
Seldom 55 18.3 19.2 33.6
Sometimes 60 20.0 21.0 54.5
Frequently 71 23.7 24.8 79.4
Always 36 12.0 12.6 92.0
Unsure 23 7.7 8.0 100.0
Total 286 95.3 100.0
Missing System 14 4.7
Total 300 100.0
Statistics
How old are
you?
ProjectSuccess
N Valid 265 286
Missing 35 14
Mean 41.13 3.8368
Median 40.00 3.8333
Std. Deviation 10.636 .70392
Minimum 23 1.17
Maximum 68 6.00

Correlations
Correlations
Completed
within budget
Completed
within time
scale
Meeting quality
requirements
Completed within budget
Pearson Correlation 1 .399** .208**
Sig. (2-tailed) .000 .000
N 286 286 286
Completed within time scale
Pearson Correlation .399** 1 .332**
Sig. (2-tailed) .000 .000
N 286 286 286
Meeting quality
requirements
Pearson Correlation .208** .332** 1
Sig. (2-tailed) .000 .000
N 286 286 286
Meeting design
requirements
Pearson Correlation .472** .414** .464**
Sig. (2-tailed) .000 .000 .000
N 286 286 286
Client satisfaction
Pearson Correlation .474** .231** .266**
Sig. (2-tailed) .000 .000 .000
N 286 286 286
Business Objectives
Pearson Correlation .223** -.052 .018
Sig. (2-tailed) .000 .380 .762
N 286 286 286
ProjectSuccess Pearson Correlation .765** .610** .552**
Sig. (2-tailed) .000 .000 .000
N 286 286 286
Correlations
Meeting design
requirements
Client
satisfaction
Business
Objectives
Completed within budget
Pearson Correlation .472 .474** .223**
Sig. (2-tailed) .000 .000 .000
N 286 286 286
Completed within time scale
Pearson Correlation .414** .231 -.052**
Sig. (2-tailed) .000 .000 .380
N 286 286 286

Meeting quality requirements
Pearson Correlation .464** .266** .018
Sig. (2-tailed) .000 .000 .762
N 286 286 286
Meeting design requirements
Pearson Correlation 1** .623** .053**
Sig. (2-tailed) .000 .369
N 286 286 286
Client satisfaction
Pearson Correlation .623** 1** -.013**
Sig. (2-tailed) .000 .826
N 286 286 286
Business Objectives
Pearson Correlation .053** -.013 1
Sig. (2-tailed) .369 .826
N 286 286 286
ProjectSuccess
Pearson Correlation .755** .647** .416**
Sig. (2-tailed) .000 .000 .000
N 286 286 286
Correlations
ProjectSuccess
Completed within budget
Pearson Correlation .765
Sig. (2-tailed) .000
N 286
Completed within time scale
Pearson Correlation .610**
Sig. (2-tailed) .000
N 286
Meeting quality requirements
Pearson Correlation .552**
Sig. (2-tailed) .000
N 286
Meeting design requirements
Pearson Correlation .755**
Sig. (2-tailed) .000
N 286
Client satisfaction
Pearson Correlation .647**
Sig. (2-tailed) .000
N 286
Business Objectives
Pearson Correlation .416**
Sig. (2-tailed) .000
N 286
ProjectSuccess
Pearson Correlation 1**
Sig. (2-tailed)
N 286
**. Correlation is significant at the 0.01 level (2-tailed).

Reliability
Scale: ALL VARIABLES
Case Processing Summary
N %
Cases
Valid 286 95.3
Excludeda 14 4.7
Total 300 100.0
a. Listwise deletion based on all variables in the
procedure.
Reliability Statistics
Cronbach's
Alpha
N of Items
.495 11
Item Statistics
Mean Std. Deviation N
Highest educational level 3.3566 .73895 286
Major of study 1.6538 1.17089 286
Qualifications in
project management 2.2098 1.40352 286
Number of courses in project
management 2.4301 1.39435 286
Experience have worked as
a project manager 2.2203 1.20979 286
Completed within budget 3.1678 1.30578 286
Completed within time scale 3.8042 1.20093 286
Meeting quality
requirements 4.2657 .93246 286
Meeting design
requirements 4.3252 .91911 286
Client satisfaction 4.1958 1.03455 286
Business Objectives 3.2622 1.47652 286

Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance if
Item Deleted
Corrected Item-
Total Correlation
Cronbach's
Alpha if Item
Deleted
Highest educational level 31.5350 25.758 .226 .470
Major of study 33.2378 24.975 .141 .487
Qualifications in
project management 32.6818 24.835 .085 .510
Number of courses in project
management 32.4615 26.607 -.038 .549
Experience have worked as
a project manager 32.6713 26.088 .036 .517
Completed within budget 31.7238 20.074 .532 .353
Completed within time scale 31.0874 22.171 .388 .411
Meeting quality
requirements 30.6259 25.274 .198 .472
Meeting design
requirements 30.5664 23.004 .471 .408
Client satisfaction 30.6958 23.609 .330 .436
Business Objectives 31.6294 24.999 .056 .523

Hypothesis Testing Crosstabs
Case Processing Summary
Cases
Valid Missing Total
N Percent N Percent N Percent
Meeting design
requirements * Gender 286 95.3% 14 4.7% 300 100.0%
Meeting design requirements * Gender Crosstabulation
Gender Total
Male Female
Meeting design
requirements
Never
Count 3 1 4
% within Meeting design
requirements 75.0% 25.0% 100.0%
% within Gender 2.2% 0.7% 1.4%
Seldom
Count 0 1 1
% within Meeting design
requirements 0.0% 100.0% 100.0%
% within Gender 0.0% 0.7% 0.3%
Sometimes
Count 18 28 46
% within Meeting design
requirements 39.1% 60.9% 100.0%
% within Gender 13.2% 18.7% 16.1%
Frequently
Count 50 48 98
% within Meeting design
requirements 51.0% 49.0% 100.0%
% within Gender 36.8% 32.0% 34.3%
Always
Count 59 62 121
% within Meeting design
requirements 48.8% 51.2% 100.0%
% within Gender 43.4% 41.3% 42.3%
Unsure Count 6 10 16
% within Meeting design
requirements
37.5% 62.5% 100.0%

% within Gender 4.4% 6.7% 5.6%
Total
Count 136 150 286
% within Meeting design
requirements 47.6% 52.4% 100.0%
% within Gender 100.0% 100.0% 100.0%
Chi-Square Tests
Value df Asymp. Sig. (2-
sided)
Pearson Chi-Square 4.615a 5 .465
Likelihood Ratio 5.064 5 .408
Linear-by-
Linear
Association
.001 1 .977
N of Valid Cases 286
a. 4 cells (33.3%) have expected count less than 5. The minimum
expected count is .48.
Oneway
Descriptives
ProjectSuccess
N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean
Lower Bound Upper Bound
Secondary 8 19.0000 .00000 .00000 19.0000 19.0000
B.A/ BSc 181 22.8122 4.62097 .34347 22.1344 23.4899
M.A/ MSc 76 23.4342 3.46154 .39707 22.6432 24.2252
Doctorate 21 24.8571 2.45531 .53579 23.7395 25.9748
Total 286 23.0210 4.22352 .24974 22.5294 23.5126
Descriptives
ProjectSuccess
Minimum Maximum
Secondary 19.00 19.00
B.A/ BSc 7.00 36.00
M.A/ MSc 16.00 30.00
Doctorate 19.00 27.00
Total 7.00 36.00

Test of Homogeneity of Variances
ProjectSuccess
Levene Statistic df1 df2 Sig.
7.883 3 282 .000
ANOVA
ProjectSuccess
Sum of Squares df Mean Square F Sig.
Between Groups 221.018 3 73.673 4.272 .006
Within Groups 4862.856 282 17.244
Total 5083.874 285
Post Hoc Tests
Multiple Comparisons
Dependent Variable: ProjectSuccess
Tukey HSD
(I) Highest educational level (J) Highest educational level Mean Difference
(I-J)
Std. Error Sig.
Secondary
B.A/ BSc -3.81215 1.50026 .056
M.A/ MSc -4.43421* 1.54351 .023
Doctorate -5.85714* 1.72530 .004
B.A/ BSc
Secondary 3.81215 1.50026 .056
M.A/ MSc -.62206 .56760 .692
Doctorate -2.04499 .95730 .144
M.A/ MSc
Secondary 4.43421* 1.54351 .023
B.A/ BSc .62206 .56760 .692
Doctorate -1.42293 1.02374 .507
Doctorate
Secondary 5.85714* 1.72530 .004
B.A/ BSc 2.04499 .95730 .144
M.A/ MSc 1.42293 1.02374 .507
Multiple Comparisons
Dependent Variable: ProjectSuccess
Tukey HSD
(I) Highest educational level (J) Highest educational level 95% Confidence Interval

Lower Bound Upper Bound
Secondary
B.A/ BSc -7.6895 .0652
M.A/ MSc -8.4233* -.4451
Doctorate -10.3160* -1.3982
B.A/ BSc
Secondary -.0652 7.6895
M.A/ MSc -2.0890 .8449
Doctorate -4.5190 .4291
M.A/ MSc
Secondary .4451* 8.4233
B.A/ BSc -.8449 2.0890
Doctorate -4.0687 1.2228
Doctorate
Secondary 1.3982* 10.3160
B.A/ BSc -.4291 4.5190
M.A/ MSc -1.2228 4.0687
*. The mean difference is significant at the 0.05 level.
Regression
Descriptive Statistics
Mean Std. Deviation N
ProjectSuccess 22.9849 4.28260 265
How old are you? 41.13 10.636 265
Highest
educational
level
3.3547 .74023 265
Major of
study 1.6717 1.18775 265
Experience
have worked
as a project
manager
2.2528 1.22484 265
Number of courses in project
management 2.4151 1.40930 265
Variables Entered/Removeda
Model Variables
Entered
Variables
Removed
Method

1
Number of
courses in
project
management ,
Major of study,
Experience have
worked as a
project
manager ,
Highest
educational
level , How old
are you?b
. Enter
a. Dependent Variable: ProjectSuccess
b. All requested variables entered.
Model Summaryb
Model R R Square Adjusted R
Square
Std. Error of the
Estimate
Change Statistics
R Square
Change
F Change df1
1 .275a .075 .058 4.15758 .075 4.223 5
Model Summaryb
Model Change Statistics
df2 Sig. F Change
1 259a .001
a. Predictors: (Constant), Number of courses in project management , Major of study, Experience have worked as a project
manager , Highest educational level , How old are you?
b. Dependent Variable: ProjectSuccess
ANOVAa
Model Sum of Squares df Mean Square F Sig.
1
Regression 365.003 5 73.001 4.223 .001b
Residual 4476.937 259 17.285
Total 4841.940 264
a. Dependent Variable: ProjectSuccess
b. Predictors: (Constant), Number of courses in project management , Major of study, Experience
have worked as a project manager , Highest educational level , How old are you?
Coefficientsa

Model Unstandardized Coefficients Standardized
Coefficients
t Sig.
B Std. Error Beta
1
(Constant) 19.741 1.567 12.597 .000
How old are you? -.034 .029 -.085 -1.175 .241
Highest educational level 1.533 .371 .265 4.134 .000
Major of study .066 .220 .018 .298 .766
Experience have worked as
a project manager .189 .217 .054 .872 .384
Number of courses in project
management -.429 .226 -.141 -1.894 .059
Coefficientsa
Model Collinearity Statistics
Tolerance VIF
1
(Constant)
How old are you? .689 1.452
Highest educational level .869 1.151
Major of study .955 1.047
Experience have worked as a project manager .929 1.076
Number of courses in project management .644 1.553
a. Dependent Variable: ProjectSuccess
Collinearity Diagnosticsa
Model Dimension Eigenvalue Condition Index Variance Proportions
(Constant) How old are
you?
Highest
educational
level
1
1 5.249 1.000 .00 .00 .00
2 .331 3.982 .00 .01 .00
3 .255 4.540 .00 .00 .00
4 .110 6.917 .04 .01 .07
5 .038 11.731 .00 .69 .38
6 .017 17.342 .96 .29 .54

Collinearity Diagnosticsa
Model Dimension Variance Proportions
Major of study Experience have worked
as a project manager
Number of courses in
project management
1
1 .01 .01 .00
2 .56 .05 .13
3 .34 .44 .12
4 .01 .46 .52
5 .02 .04 .09
6 .06 .01 .13
a. Dependent Variable: ProjectSuccess
Residuals Statisticsa
Minimum Maximum Mean Std. Deviation N
Predicted Value 19.6693 25.7809 22.9849 1.17583 265
Residual -14.79157 12.02177 .00000 4.11802 265
Std. Predicted Value -2.820 2.378 .000 1.000 265
Std. Residual -3.558 2.892 .000 .990 265
a. Dependent Variable: ProjectSuccess
Charts

Regression Backward
Variables Entered/Removeda

Model Variables
Entered
Variables
Removed
Method
1
Number of
courses in
project
management ,
Major of study,
Experience have
worked as a
project
manager ,
Highest
educational
level , How old
are you?b
. Enter
2 . Major of study
Backward
(criterion:
Probability of F-
to-remove
>= .100).
3 .
Experience have
worked as a
project manager
Backward
(criterion:
Probability of F-
to-remove
>= .100).
4 . How old are
you?
Backward
(criterion:
Probability of F-
to-remove
>= .100).
a. Dependent Variable: ProjectSuccess
b. All requested variables entered.
Model Summarye

Model R R Square Adjusted R
Square
Std. Error of the
Estimate
Change Statistics
R Square
Change
F Change df1
1 .275a .075 .058 4.15758 .075 4.223 5
2 .274b .075 .061 4.15029 .000 .089 1
3 .268c .072 .061 4.14923 -.003 .866 1
4 .260d .068 .061 4.15091 -.004 1.212 1
Model Summarye
Model Change Statistics
df2 Sig. F Change
1 259a .001
2 259b .766
3 260c .353
4 261d .272
a. Predictors: (Constant), Number of courses in project management , Major of study, Experience have worked as a
project manager , Highest educational level , How old are you?
b. Predictors: (Constant), Number of courses in project management , Experience have worked as a project
manager , Highest educational level , How old are you?
c. Predictors: (Constant), Number of courses in project management , Highest educational level , How old are you?
d. Predictors: (Constant), Number of courses in project management , Highest educational level
e. Dependent Variable: ProjectSuccess
ANOVAa
Model Sum of Squares df Mean Square F Sig.
1
Regression 365.003 5 73.001 4.223 .001b
Residual 4476.937 259 17.285
Total 4841.940 264
2
Regression 363.465 4 90.866 5.275 .000c
Residual 4478.475 260 17.225
Total 4841.940 264
3
Regression 348.543 3 116.181 6.748 .000d
Residual 4493.397 261 17.216
Total 4841.940 264
4
Regression 327.675 2 163.837 9.509 .000e
Residual 4514.265 262 17.230
Total 4841.940 264

a. Dependent Variable: ProjectSuccess
b. Predictors: (Constant), Number of courses in project management , Major of study, Experience
have worked as a project manager , Highest educational level , How old are you?
c. Predictors: (Constant), Number of courses in project management , Experience have worked as
a project manager , Highest educational level , How old are you?
d. Predictors: (Constant), Number of courses in project management , Highest educational level ,
How old are you?
e. Predictors: (Constant), Number of courses in project management , Highest educational level
Coefficientsa
Model Unstandardized Coefficients Standardized
Coefficients
t Sig.
B Std. Error Beta
1
(Constant) 19.741 1.567 12.597 .000
How old are you? -.034 .029 -.085 -1.175 .241
Highest educational level 1.533 .371 .265 4.134 .000
Major of study .066 .220 .018 .298 .766
Experience have worked as
a project manager .189 .217 .054 .872 .384
Number of courses in project
management -.429 .226 -.141 -1.894 .059
2
(Constant) 19.880 1.494 13.304 .000
How old are you? -.035 .029 -.088 -1.243 .215
Highest educational level 1.529 .370 .264 4.133 .000
Experience have worked as
a project manager .199 .214 .057 .931 .353
Number of courses in project
management -.420 .224 -.138 -1.875 .062
3
(Constant) 20.271 1.434 14.140 .000
How old are you? -.031 .028 -.077 -1.101 .272
Highest educational level 1.520 .370 .263 4.111 .000
Number of courses in project
management -.461 .220 -.152 -2.096 .037
4
(Constant) 19.383 1.186 16.344 .000
Highest educational level 1.488 .369 .257 4.035 .000
Number of courses in project
management -.575 .194 -.189 -2.970 .003
Coefficientsa

Model Collinearity Statistics
Tolerance VIF
1
(Constant)
How old are you? .689 1.452
Highest educational level .869 1.151
Major of study .955 1.047
Experience have worked as a project manager .929 1.076
Number of courses in project management .644 1.553
2
(Constant)
How old are you? .708 1.412
Highest educational level .870 1.150
Experience have worked as a project manager .951 1.051
Number of courses in project management .654 1.529
3
(Constant)
How old are you? .729 1.372
Highest educational level .870 1.149
Number of courses in project management .680 1.471
4
(Constant)
Highest educational level .876 1.142
Number of courses in project management .876 1.142
a. Dependent Variable: ProjectSuccess
Excluded Variablesa
Model Beta In t Sig. Partial
Correlation
Collinearity
Statistics
Tolerance
2 Major of study .018b .298 .766 .019 .955
3
Major of study .026c .437 .662 .027 .978
Experience have worked as
a project manager .057c .931 .353 .058 .951
4
Major of study .035d .586 .558 .036 .997
Experience have worked as
a project manager .044d .729 .466 .045 .980
How old are you? -.077d -1.101 .272 -.068 .729

Excluded Variablesa
Model Collinearity Statistics
VIF Minimum Tolerance
2 Major of study 1.047b .644
3 Major of study 1.023c .673
Experience have worked as a project manager 1.051c .654
4
Major of study 1.003d .874
Experience have worked as a project manager 1.021d .861
How old are you? 1.372d .680
a. Dependent Variable: ProjectSuccess
b. Predictors in the Model: (Constant), Number of courses in project management , Experience have worked as a
project manager , Highest educational level , How old are you?
c. Predictors in the Model: (Constant), Number of courses in project management , Highest educational level , How
old are you?
d. Predictors in the Model: (Constant), Number of courses in project management , Highest educational level
Residuals Statisticsa
Minimum Maximum Mean Std. Deviation N
Predicted Value 19.7206 25.0961 22.9792 1.09658 286
Residual -15.12073 12.72880 .04182 4.08468 286
Std. Predicted Value -2.930 1.895 -.005 .984 286
Std. Residual -3.643 3.067 .010 .984 286
a. Dependent Variable: ProjectSuccess