A Systematic Literature Review on Reasons and Approaches for Accurate Effort Estimations in Agile

Jirat Pasuksmit, Patanamon Thongtanunam, Shanika Karunasekera

Abstract: Background: Accurate effort estimation is crucial for planning in Agile iterative development. Agile estimation generally relies on consensus-based methods like planning poker, which require less time and information than other formal methods (e.g., COSMIC) but are prone to inaccuracies. Understanding the common reasons for inaccurate estimations and how proposed approaches can assist practitioners is essential. However, prior systematic literature reviews (SLR) only focus on the estimation practices (e.g.,