Sentences with phrase «weaker effect sizes»

We expected studies that used questionnaires with items on non-illegal problem behavior to result in weaker effect sizes than measures reporting illegal offences only.

Not exact matches

If it is clear and has a weak Tyndall effect, the particle size is as small as can be made.

Reducing class size is extremely popular among parents and teachers, though research has shown weak effects from modest class size reductions and schools sometimes struggle to find qualified teachers and classroom space to create new classes.

«Small class sizes and required higher pay for higher degrees may have marginal bene?ts, but the evidence of their effect on student achievement is weak,» she says in her policy agenda.

While prior evidence paints a mixed picture of the influence of demographic variables on leader efficacy, the overall effect of such variables seems to be weak or non - existent.185 For example, virtually no evidence suggests that school level or size, 186 teachers «age or total years of experience in education, student SES or student ethnicity, influence leader efficacy.187