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Virtual Instruction for Teaching Science :An Experimental Study on Students with Hearing Impairmen
2011
Ravānshināsī-i Afrād-i Istis̠nāyī
This semi- experimental study was conducted to investigate the effect of virtual instruction in students with hearing loss.Using a pretest-posttest control group design, 24 fifth grade elementary students were selected by multistage random sampling and then assigned in to two equal size experimental and control groups. The virtual instruction for science was administered to the experimental group in 3 weeks (60 minutes, three times per week). During this period the control group received
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