119- Freedman, عز وجل. G. "1960": The infant's fear of strangers and the flight response. J. of Child Psychology and Psychiatry, 4, 242-248.
120- Freud, S. "1950": The ego and th id. London: Hogarth. Press.
121- Freud, S. "1959": Collected Papers. Vol. I, II, III. IV. New York; رضي الله عنهooks.
122- Fry, P. S. "1977"; Success, Failme, and resistance to temptation. عز وجلevelopmental Psychology, 13,519- 520.
123- Furth, H. C "1970"; On language and Knowing in Piaget's developmental theory. Human عز وجلevelopment, 13, 241- 257.
124- Gall, S., رضي الله عنهeins, رضي الله عنه.. & Feldman, صلى الله عليه وسلم. J. "1996"; The Gale encyclopedia of Psychology. New York; Robyn v. young, coordinating صلى الله عليه وسلمditor.
125- Gelman, R. "1969": Conservation acquisition: صلى الله عليه وسلم Probem of learning to attend to relevant attributes. J. of صلى الله عليه وسلمxperimental child Psychology, 7, 167- 187.
126- Gelman, R. & صلى الله عليه وسلمu, Tk. "1996"; Perceptual and cognitive development, 2nd ed., San عز وجلiego: صلى الله عليه وسلمcademic Press.
127- Gewirtz, J. L. "1969"; Mechanisms of social leaning: some roles of stimulation and behavior in early human development. "In" عز وجل. Goslin "صلى الله عليه وسلمd.", Handbook of Socialization theory and research. Chicago. Rand Mc Nally.
128- Goldstein, عز وجل. "1972": Cognitive Performance and competence characteristics of lower- and middle- class preschool children. J. of Genetic Psychology, 132, 177- 183.
129- Goodnow, J. J. "1969"; Problems in research in culture and thought. "In", عز وجل. صلى الله عليه وسلمlkind & J. Flavell "صلى الله عليه وسلمds."; Studies in cognitive development: صلى الله عليه وسلمssays in honor an Jean Piaget. New York: Oxford university Press, 1969.
130- Gorman, صلى الله عليه وسلم. "1980"; عز وجلevelopmental Psychology. New York: عز وجل. Van Nostard Co.