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Making Software Teams Effective

How Agile Practices Lead to Project Success Through Teamwork Mechanisms

Chaehan So

How does good teamwork emerge?
Can we control mechanisms of teamwork?
The author has analyzed these questions in a study involving 227 participants of 55 software development teams. First, he empirically confirmed his teamwork model based on innovation research, goal setting and control theory. Second, he measured the impact of a wide selection of agile practices on these teamwork mechanisms. Third, he explained these impacts based on a thorough review of current psychological research.
This book is intended for people working in agile contexts as they will gain insight into the complexity of how «good teamwork» emerges. This insight on team dynamics may also prove valuable for upper management for calibrating agile practices and «soft factors», thus increasing the effectiveness of software teams.

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List of Tables 195

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List of Tables 2.1 Core Values of Agile Manifesto . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 Core Principles of Agile Manifesto . . . . . . . . . . . . . . . . . . . . . . 10 3.1 Sample Descriptive Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.2 Agile Methods applied in Sample . . . . . . . . . . . . . . . . . . . . . . . 46 3.3 Agile Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.4 Co-Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 3.5 English Reading Proficiency . . . . . . . . . . . . . . . . . . . . . . . . . . 50 3.6 Descriptive Variables of Team Context . . . . . . . . . . . . . . . . . . . . 62 3.7 Reliability Analysis after Pretests . . . . . . . . . . . . . . . . . . . . . . . 65 4.1 Reliability Analysis on Individual and Group Level . . . . . . . . . . . . 96 4.2 Univariate Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 4.3 Correlation Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 4.4 Items of Agile Practices (Independent Variables) . . . . . . . . . . . . . . 101 4.5 PFA - Pattern Matrix of Agile Practices . . . . . . . . . . . . . . . . . . . . 103 4.6 PFA Pattern Matrix of Agile Practices Without Continuous Integration . . . 104 4.7 PFA - Factor Correlation Matrix of Agile Practices . . . . . . . . . . . . . 105 4.8 Items of Teamwork Constructs (Process Variables) . . . . . . . . . . . . . 105 4.9 PFA-Pattern Matrix of Antecedent Teamwork Constructs . . . . . . . . . 106 4.10 PFA-Pattern Matrix of Primary Teamwork Constructs . . . . . . . . . . . 107 4.11 Items of Teamwork Constructs (Process Variables) . . . . . . . . . . . . . 107 4.12 PFA-Pattern Matrix of Team Performance . . . . . . . . . . . . . . . . . . 108 4.13 PFA-Pattern Matrix of Customer Satisfaction . . . . . . . . . . . . . . . . 108 4.14 Kolmogorov-Smirnov - Test for Agile Practices . . . . . . . . . . . . . . . 110 4.15 Kolmogorov-Smirnov - Test for Teamwork Constructs . . . . . . . . . . . 110 4.16 Kolmogorov-Smirnov Test with Lilliefors Correction . . . . . . . . . . . . 111 4.17 Descriptive Statistics Skewness and Kurtosis . . . . . . . . . . . . . . . . 112 4.18 Significance Tests on Skewness and Kurtosis . . . . . . . . . . . . . . . . 113 4.19 Parcel Optimization Heuristics applied for Iterative Development . . . . 133 4.20 Parcel Optimization Heuristics applied for Test-Driven Development . . 134 4.21 Parcel Optimization Heuristics applied for all modified Scales . . . . . . 135 4.22 SEM Results on Hypothesis Level . . . . . . . . . . . . . . . . . . . . . . . 141 195

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