What music was thought to enhance cognitive functioning in infants?

Experts are likely to express all of the following reasons for the failure of school reform, except:

A. concentration of poverty in many inner-city communities has produced a population of students with an array of personal and situational problems. B. many urban school districts are burdened by the huge administrative bureaucracies that often impede reform and hinder educational innovation. C. students in urban school report less of a sense of "belonging" to their school. D. the explosion of job opportunities in inner-city communities has left many students leaving school to pursue careers

All of the following are associated with intraspecific aggression in non-human animal populations EXCEPT

a. dispersal of a population of animals into new territories. b. an enhanced probability that the genes of healthy vigorous individuals will be perpetuated. c. increased flexibility of behavioral adaptations to new environments. d. rivalry among males for mating opportunities. e. cultural transmission of the effects of selection.