Rate of Addition as a Function of Difficulty and Age  

Oleh:

Birren, James E. ; Botwinick, Jack

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 16 no. 2 (Jun. 1951), page 219-232.
Topik: Rate of Addition; Difficulty; Age
Fulltext: Rate of Addition as a Function of Difficulty and Age.pdf (649.63KB)

Isi artikel

Rate of addition was studied as a function of difficulty as measured by problem length. The hypothesis was tested that the rate of addition would decline as a function of the logarithm of the number of addition operations per problem. The test material required the rapid addition of single columns of digits ranging from two to twenty-five digits in length. Rate of uncorrected addition declined as a power function of problem length and the rate of correct addition declined as an exponential function of length. Results indicated that subjects who varied in age and mental status could be differentiate according to the parameters defining the curves of addition rate as a function of length.

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