Effect of programmed circadian temperature fluctuations on population dynamics ofBiomphalaria pfeifferi(Krauss)

effect of oral presentation on development of l2 learners grammar

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...

effect of soil temperature on distribution and population dynamics of fusarium species

environmental factors mainly temperature are believed to determine the distribution and population dynamics of fusarium species in a natural ecosystem. species may be restricted in their distribution by adaptation to specific sets of soil environmental conditions. population dynamics of five fusarium species representative of different climatic conditions were studied at three levels of tem...

The survey of fluctuations of attention on circadian and weekly rhythms among high school students

Introduction: Human cognitive activities are affected by the time of doing homework, biologic rhythms and interaction among them.  Method: this research accomplished to specify the fluctuation patterns of daily and weekly cycles of the students attention. The research method was correlation. The statistical population of this study were 45 female students in 11th grade from a high school in hu...

Field observations on population fluctuations of chicory aphids 1970

the effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms

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