1. Emprical Evaluation in Informatics
Evaluation of the survey „productivity when programming“
by Philipp Kalmbach, Christian Behnert and Matthias Niemann

2. Research question
Hypothesis: there are factors that in- or decrease productivity when programming
Target: finding these factors
Questions about:
Occupation and time
Environment
Interruptions
Factors that influence productivity
Empirical Evaluation in Informatics, Project, Group 3

3. Correlations (1) If it is noisy, you are interrupted more often, too.
Empirical Evaluation in Informatics, Project, Group 3

4. Correlations (2)
People working late at night getting less disturbed by noise.
6 a.m a.m
10 a.m. - 2 p.m
2 p.m. - 6 p.m
6 p.m p.m
10 p.m. - 2 a.m
2 a.m. - 6 a.m
Empirical Evaluation in Informatics, Project, Group 3

5. Correlations (3)
People who aren't alone at their workplace are more often disturbed by noise than people working alone.
Empirical Evaluation in Informatics, Project, Group 3

6. Summary The following factors were determined:
Number of people working in the same room
Noise level
Internal validity:
Subjectively answered questions
You can't say whether you're more productive if...
External validity:
Target group: students doing their homework or having a side job
Less than 9% working more than 30 hours per week
Empirical Evaluation in Informatics, Project, Group 3