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Using an experimental device that served before to study the notion of quotity, the author analyzed the comprehension of the relationship between action and its results. 51 subjects of 5, 6 and 7 years of age were exposed to 7 experimental situations and performances evidenced the existencie of different developmental lines.

Tñe author analizes 10 research studies related to drug abuse done in the Catholic University of Lima. After summarizing each work, a certain number of observations about recent trends are offered.

96 students of the Catholic University were questioned in a survey to predict the probability of ocurrence of 20 behavioral characteristics in the reaction of a hypothetic character in 22 situations. The character could be male or female and young, middle aged or old. No stercotypes independent of the situation were found. The existance of 3 characteristic groups were established. The necessity to consider with great care the role of situaciones and the particularities of the individuals - in future investigations - is discussed.

The author tries to present the facts that preceded the law that created- in 1980- the Peruvian Psychological Association, analizing the academical and professional representativity that existed before in the Peruvian Psychological Society. Also some explanations are given about the dicotomies  objective-intuitive and spoken-writen in response to a paper from León that appears in this number.

Using an experimental device that served before to study the notion of quotity, the author analyzed the comprehension of the relationship between action and its results. 51 subjects of 5, 6 and 7 years of age were exposed to 7 experimental situations and performances evidenced the existencie of different developmental lines.

Tñe author analizes 10 research studies related to drug abuse done in the Catholic University of Lima. After summarizing each work, a certain number of observations about recent trends are offered.

96 students of the Catholic University were questioned in a survey to predict the probability of ocurrence of 20 behavioral characteristics in the reaction of a hypothetic character in 22 situations. The character could be male or female and young, middle aged or old. No stercotypes independent of the situation were found. The existance of 3 characteristic groups were established. The necessity to consider with great care the role of situaciones and the particularities of the individuals - in future investigations - is discussed.

The author tries to present the facts that preceded the law that created- in 1980- the Peruvian Psychological Association, analizing the academical and professional representativity that existed before in the Peruvian Psychological Society. Also some explanations are given about the dicotomies  objective-intuitive and spoken-writen in response to a paper from León that appears in this number.

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