Remove all grammatical errors from this text: "Self versus aggregate" comparisons This idea, put forward by Giladi and Klar, suggests that when making comparisons any single member of a group will tend to evaluate herself to rank above that group's statistical mean performance level or the median performance level of its members.
"Self versus aggregate" comparisons This idea, put forward by Giladi and Klar, suggests that when making comparisons any single member of a group will tend to evaluate themselves to rank above that group's statistical mean performance level or the median performance level of its members.