Sentence examples for study has been questioned from inspiring English sources

The validity of the study has been questioned by organizations, including the liberal media "watchdog" group Media Matters for America.

The methodology of this study has been questioned, although it was randomized and controlled [ 9, 14].

The methodology of this study has been questioned, although it was randomised and controlled [ 6- 8].

However, the interpretation of the heart function data in this study has been questioned (Wasala et al., 2013).

The Brechner et al. (2000) study has been questioned on the grounds that Flagstaff represents an inappropriate reference location because of its much higher elevation (Lamm 2003).

The clinical value of the MT definition we used in this study has been questioned: mortality increases with increasing red blood cell transfusion (no apparent threshold level of transfusion), so the criterion of 10 units in 24 hours does not allow specific selection of patients with worsened clinical outcomes [ 37].

Both the results and methodology of the study have been questioned by Dr Eamonn Butler, director of the think tank ASI, who said the report was "mostly rubbish".

Later, several methodological aspects of the study have been questioned [ 3- 5].

However, the doses used in this study have been questioned by Ziegler et al (2004), who found no effect of resveratrol in the diet on either COX-2 expression or the number of tumours.

However, the methodology of both studies has been questioned [ 27].

However, the quality of some of the included studies has been questioned [ 9].