dowód badawczy

"There is no research evidence to support grades as measures of achievement," he said.

There is little or no research evidence to support these views.

There is some empirical research evidence to support this view.

Whatever that research evidence is informing teaching practices at University.

Translation of research evidence into public health and healthcare practice.

Readers less familiar with these studies may be interested to weigh their own experience against the research evidence.

Social policy, however, is not usually shaped by research evidence.

As scientists and doctors we are encouraged to look for research evidence to support our hypotheses.

Are these methods based on sound research evidence about what works best?

The research evidence has to be interpreted with caution, however.