Cognitive Distortion In Critical Thinking

Well my critical thinking was affected tremendously by this cognitive distortion, because what I was thinking was negative and was not allowing me to have a clear reasoning. The way I was analyzing the reasons I was not getting good grades and why I was not smart enough like my classmate or some of my friends that by just reading a chapter once already had everything down pack. And some hardly study but at the time of the test they would get excellent grades. By thinking that way I was sabotaging myself without even realizing it. The arguments I had in my mind were completely invalid. Perhaps if I would of have stop comparing myself with others and concentrating in what others were able to do and what they