1.   As yet we have no convincing evidence that this is the case.

2.   He will demand convincing evidence before he adopts a new theory.

3.   However, convincing evidence shows that lack of education has faded as a major factor.

4.   Taking these cases at face value, does the apparent ability to make and use maps provide convincing evidence of active intelligence?

5.   The status consciousness argument really needs more convincing evidence than this experiment before we can take it as proven.

6.   There is convincing evidence that smoking causes heart disease.

7.   There is no convincing evidence that the tax cut will produce new jobs.

8.   These pathological findings are in agreement with clinical studies, the most convincing evidence coming from the prospective community study in Framingham.

9.   Scientists say there is no convincing evidence that power lines have anything to do with cancer.