1.   Research evidence supports the view that this relationship is valued highly, especially by the grandparental generation.

2.   There is an absence of any clear research evidence which enables us to distinguish age as an independent factor affecting the performance of non-traditional students.

3.   Rutter quotes research evidence to show that both maternal psychiatric disorder and paternal criminality are associated with disturbed behaviour in the children.

4.   Wattam says the stress on early interviewing is challenged by the research evidence.

5.   And the research evidence continues to pile up.

6.   But there is now considerable research evidence to show that the making of facial expressions has a direct impact on how we feel.

7.   The research evidence suggests that, in some cases, screen violence may indeed foster actual violence, though that conclusion is not unanimous.

8.   The research evidence has been available for a long time.