DaleE.ChallJ. S.A formula for predicting readability. Educational Research Bulletin, 1948, 27, 11–20; 28.
2.
EsonM. E.A critique of Hoffmann (sic) and Vyhonsky's evaluation of introductory educational psychology textbooks. American Psychologist, 1976, 31, 256–257.
3.
FleschR.A new readability yardstick. Journal of Applied Psychology, 1948, 32, 221–233.
4.
GillenB.Readability and human interest scores of thirty-four current introductory psychology texts. American Psychologist, 1973, 28, 1010–1011.
5.
HofmannR. J.Getting ideas across versus giving readers an intellectual workout. American Psychologist, 1976, 31, 536–538.
6.
HofmannR. J.VyhonskyR. J.Readability and human interest scores of thirty-six recently published introductory educational psychology texts. American Psychologist, 1975, 30, 790–792.
7.
LandriganD. T.PalladinoJ. J.A reply to Gillen. American Psychologist, 1974, 29, 571–572.
8.
StevensS. S.StoneG.Psychological writing, easy and hard. American Psychologist, 1947, 2, 230–235.