Some student soften copy schoolmates′ experiment homework and submit to teacher as themselves,but teachers hard to judge it.

The experiment investigated the interference effect of the number of interference items(1,3 and 5 meaningless syllables) and delay time(0 s,9 s and 27 s) on prospective duration estimation under the dual task procedure paradigm,which used 11 s and 23 s as target durations.

Based on the characteristics of biology and the acquisition of experimental skills,this article talks about biological experiment course check in higher institutes in such three aspects as routine experiments,experimental operation and experimental theory.

This article expounds the functions of experimental operations andpractical activities in math teaching from the sides of inspiring interest, enriching fancy, illumining thinking and cultivating character.

The practice and research to form the assessment standard for skills in physical experiment operation

And overall, objective and reasonable test in the experiment operational of the student is good for increasing teaching quality of analytical chemistry experiment.

The writer talks over the important effect and its meaning of training students quality - oriented education in view of the experiment operation in the middle school entrance examination.

independent evaluation plus experimental works plus examinations,which are used in each level of the teaching.