Evaluation as a responsibility of the IMC network     

M H Moss 《Exceptional children》1968,35(3):303-306

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The mental age--visual perception issue assessed     

R M Allen 《Exceptional children》1969,35(9):748-749

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Integrated science education in African primary schools     

Hubert M. Dyasi 《Prospects》1974,4(1):63-71

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Symposium on research and utilization of educational media for teaching the deaf. Southwest Regional Media Center for the Deaf     

M S Hester 《American annals of the deaf》1969,114(5):845-846

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Developmental aspects of variables relevant to observational learning     

A D Leifer  W A Collins  B M Gross  P H Taylor  L Andrews  E R Blackmer 《Child development》1971,42(5):1509-1516

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The relationship between race and perception of racially related stimuli in preschool children     

J R Stabler  E E Johnson  M A Berke  R B Baker 《Child development》1969,40(4):1233-1239

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A developmental study of information processing within the first three years of life: response decrement to a redundant signal     

M Lewis  S Goldberg  H Campbell 《Monographs of the Society for Research in Child Development》1969,34(9):1-41

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Trends in support of educational research for the handicapped     

M W Mueller 《Exceptional children》1968,34(7):523-527

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A new active R bandpass filter     

Ahmed M. Soliman  Mahmoud Fawzy 《Journal of The Franklin Institute》1978,306(2):159-163

A new active R filter which realizes a second order bandpass transfer function is given. The network employs only resistors and two operational amplifiers. Sensitivities to all passive and active circuit components are very low. Design equations are given and experimental results are also included.  相似文献   

Update on inflation of journal prices: medical journals, U.S. journals, and Brandon/Hill list journals     

M R Kronenfeld  S H Gable 《Bulletin of the Medical Library Association》1989,77(1):61-64

This paper examines the increases in prices for the last twenty years for the journals listed in the 1987 Brandon/Hill list and for the last twelve years for those on a list of medical and general periodicals published annually in Library Journal. This information is compared to the general U.S. inflation rate as measured by the Consumer Price Index. Despite the decline in the general rate of inflation, the buying power of libraries has continued to dwindle. Librarians need to use this information when justifying increased budget requests. They also need to interact more effectively with publishers to resolve this problem. The buying power of the dollar (as compared to the 1975 dollar) spent on the Brandon/Hill list journals is now 59% of that of a dollar spent in the general economy. This compares to 64% in 1983, when this research was last updated.  相似文献