The researchers conceded that sometimes student preferences might not accurately value an individual college.

The researchers concede that data they gather here cannot necessarily be used to fill gaps in knowledge of other beaches.

Of course, the researchers concede, other factors may have contributed to the drop in homicides.

To be sure, researchers concede that the monitoring system will never totally eliminate plane crashes or building collapses.

Indeed, several researchers conceded that, as children, whenever a thermometer broke at home, they played with the spilled substance in full view of their parents.

But the researchers conceded that much more research would be required to explain "the delayed rise of present-day mammals."

But researchers now concede that the task is much harder than they had originally anticipated.

But the researchers conceded that the data were sometimes scant and that other deaths might also be alcohol related.

Knowledge, as most serious researchers will concede, is rarely power.

The researchers concede that the study has certain weaknesses.