Positive comments

The author’s investigation is an accurate/ comprehensive/ convincing analysis of..

is a profound/ thorough description of…

supports the theory of…

The author’s study/ analysis sheds new light on…

The author’s theory/ proposal sounds attractive/ is elegant.

proved to be successful.

The author’s approach is quite/ highly creative/ effective/ fruitful/ innovative/

sophisticated/ sound.

The author offers in depth discussions on topics involving…

The article opens prospects for further study of…/casts a new light on the question.

Gives rise to theoretical discussion/ provokes reflection.