According to Freud, the result of conflict between the id and superego is ___________

The term epigenetic developmental theory implies that

a. each crisis in development exists in a primitive form at birth and is present in some form at every other stage of development. b. each crisis is experienced only once. c. development proceeds in a smooth, continuous fashion. d. development can simply go dormant for long periods of time (as in the latency stage).

The Spearman-Brown prophecy formula should not be used unless the

correlation has been obtained on the basis of the a. test-retest technique b. alternate forms technique c. predictive validity technique d. split-half technique