I can't find any link to the actual study or even a description of its methodology. The research appears to have been done for the book Impact Engineering, which introduces the new methodology, and yet the research also claims to have measured projects following that methodology. From the marketing summary here [1], it seems like what they actually did was to isolate which individual virtues of various methodologies had an impact on project success (which also goes without a definition of course). Then they choose which of those individual virtues would be promoted by their new methodology, and use projects adhering to those virtues as a proxy for scoring their new methodology. And then claim the result as statistically significant. It would be interesting to see if this was the actual methodology, because if so, that's clearly nonsensical.
Also, it would be highly relevant to know the definition of success here. Evaluating an Agile project's success as "completition of the project's initial requirements on time" would be completely asinine, given the entire point of Agile is to adapt to changing requirements.
Also, it would be highly relevant to know the definition of success here. Evaluating an Agile project's success as "completition of the project's initial requirements on time" would be completely asinine, given the entire point of Agile is to adapt to changing requirements.
[1]: https://www.engprax.com/post/268-higher-failure-rates-for-ag...