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Theories in Empirical Software Engineering

Slides from the International Advanced School on Empirical Software Engineering 2015, held as part of the Empirical Software Engineering International Week in Beijing. The slides are posted with the permission of the main organiser Roel Wieringa.

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Theories	in	Empirical	Software	
Engineering
Roel	Wieringa
Sidekicks:
Daniel	Méndez
Lutz	Prechelt
21	October	2015 IASESE 1
Who	are	we?
Roel Wieringa
University	of	Twente,	Germany
http://wwwhome.ewi.utwente.nl/~roelw/
21	October	2015 IASESE 2
Lutz	Prechelt
FU	Berlin
http://www.mi.fu-berlin.de/w/Main/LutzPrechelt
Daniel	Méndez
TU	München
http://www4.in.tum.de/~mendezfe/
Who	are	you?
Quick	round
• Who	are you?
• What is your experience in	conducting
empirical studies?
• What are your expectations?
3
What	do	you	think?
Why	do	we	need	scientific	theories	in	software	engineering?
4
4. Methodology	(the	study	of	research	methods)	
a. Notion	of	conceptual	framework;	statements	about	them
b. Notion	of	generalization;	statements	about	them
3. Theory	(statement	about	many	research	results)			
a. Conceptual	framework
b. Generalization
2. Research	questions	(what,	how,	when	where,	….,	why)	aimed	at	
generalizable	knowledge,	research	method,	and	research	result
1. Practice	domain:	SW,	methods,	tools,	processes	(as	is	/	to	be)
21	October	2015 IASESE 5
Looking at	
research	from the
sky
General	
knowledge is	the
gold	we	are	after
Hard	work to grow
knowledge
Grass	roots
• Everything on	the slides	in	this talk	,	except the examples,		is	at	level	4.
• The	examples on	these	slides	contain explicit	level	indications.
• The	separate	example slides	report	about research	that contains 2	and 3.
• The	reported research	studies	some aspect	of	1.
Agenda
Time Topic
09:00	– 10:30 Opening	and	Introduction
10:30 – 11:00	 Coffee	break
11:00	– 12:30	 Inferring	Theories	from	Data
12:30	– 13:30 Lunch
13:30	– 15:00 Designing Research	based	on	Theories
15:00	– 15:30 Coffee	break
15:30	– 16:30 Hands-on	Working	Session and	Q&A
16:30	– 17:00 Wrap	up	(all)
6

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