Retraction Note: Quality & Quantity (2021) 56:2613–2625

https://doi.org/10.1007/s11135-021-01240-5

The Editor in Chief has retracted this article because an investigation by the publisher found evidence of attempts to subvert the peer review process. Yuliya S. Tokatligil and Aigul Zh. Saliyeva disagree to this retraction. The editor has been unable to establish the current email address for Fatima N. Zhumabekova.