Studying test-driven development and its retainment over a six-month time span
Baldassarre, Maria Teresa; Caivano, Danilo; Fucci, Davide; Juristo, Natalia; Romano, Simone; Scanniello, Giuseppe; Turhan, Burak (2021-03-09)
Maria Teresa Baldassarre, Danilo Caivano, Davide Fucci, Natalia Juristo, Simone Romano, Giuseppe Scanniello, Burak Turhan, Studying test-driven development and its retainment over a six-month time span, Journal of Systems and Software, Volume 176, 2021, 110937, ISSN 0164-1212, https://doi.org/10.1016/j.jss.2021.110937
© 2021 Elsevier Inc. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe202103167466
Tiivistelmä
Abstract
In this paper, we investigate the effect of TDD, as compared to a non-TDD approach, as well as its retainment (or retention) over a time span of (about) six months. To pursue these objectives, we conducted a (quantitative) longitudinal cohort study with 30 novice developers (i.e., third-year undergraduate students in Computer Science). We observed that TDD affects neither the external quality of software products nor developers’ productivity. However, we observed that the participants applying TDD produced significantly more tests, with a higher fault-detection capability, than those using a non-TDD approach. As for the retainment of TDD, we found that TDD is retained by novice developers for at least six months.
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