The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.

Researchers like Edward L. Thorndike built upon these foundations and, in particular, developed an s-r (stimulus-response) theory of learning.

S-R theory and its main characteristics are first introduced, and then the hints it gives to Foreign Language Teaching are dealed with here.