The present research had the purpose of proposing and validating a scale of academic selfefficacy in a university student group. The sample consisted of 340 students, the type of study was psychometric, in the present study the scale of academic self-efficacy (ESAA) was elaborated in a multidimensional way. The results indicated that there is a content validity (Aiken V = .94), a reliability (Cronbach’s alpha of .877) and construct validity with two factors: expectation of the situation and personal expectations, within the latter finds expectations of results andexpectations of perceived self-efficacy. It was concluded that the ESAA scale, has the psychometric characteristics to be considered valid and reliable.

A total of 90 children (boys and girls) from a Psychological Center in Lima were subjected o a correlational study, where the research questions was: Are coordination  and motor function related to mental maturity in children (boys and girls) aged from 4 to 8 years?

A total of 525 students of a University of Lima, was put under a descriptive study. The instrument was the Test of styles of Thought, created, by the United of Investigation of the Faculty of Psychology of the Feminine University of the Sacred Heart. According to the results it is possible to be observed that the Styles Judicial, Conserved and Liberal are those that stand out by by a greater percentage of normality, also determine relation between the age with Legislative, Judicial, Hierarchic, Monarchic, Global, Local and Executive style.

A total 229 pertaining to the army police armored pertaining to the army, commando troop, campaign troop and special troop soldiers belonging to the different contingents of military training, were submitted to a descriptive comparative study where the objective was to describe and compare the influence of the military training programs over the emotional intelligence of the troop staff. It was found an influence of the military training that in relation to some units the where positive influences and in the other units they were negative influences.

 The present investigation is of a comparative descriptive type, with the objective of describing and comparing the learning style and the level of family satisfaction in a group of high and low performance students of a private university in Lima. The non-probabilistic sample, available sampling, made up of a total of 90 students, of which 28 have low academic performance and 62 high academic performance. The instruments used are: Katlen Buttler's Preference Inventory (Learning Styles) (1988) and the Family Satisfaction Scale for Adjectives. Barraca, J & Lópéz – Yarto, L. (2000). With respect to learning styles, the Sequential Abstract learning style is the one that is most developed in the entire sample studied and the Sequential Concrete learning style, in both groups they are concentrated at a Medium and High level, this learning style being the most preferred of the stu...

The purpose of this study was to determine the relationship between the dimensions of bullying and self-esteem. The research design was descriptive correlational. The study populationconsisted of 139 second year secondary school students from a school in the district of Lurín. A non-probabilistic, intentional sample consisting of 98 participants was used. The instrumentsused were Bullying and School Violence test by Oñate and Piñuel, validated by Aranda in 2010 (Cronbach’s Alpha = 0.93) and Coopersmith’s Self-Esteem Inventory, validated by Mesías in2017 (Cronbach’s Alpha = 0.799), both in Peru. The results show a correlation between the global bullying index and general self-esteem with a Spearman correlation coefficient (-0.485**).It is concluded that there is a significant relationship between both variables.

Online collaboration contributes to the achievement of relevant learning such as learning to know, do, be and live together. Therefore, a new instrument (ACL21) is proposed to measure the online collaborative work of higher education students, based on the Collaborative Learning model and the Online Collaborative Learning model. The aim is to determine the validity and reliability of the Online Collaborative Learning Questionnaire 21 - ACL21. For this purpose, an Exploratory Factor Analysis (EFA) was carried out on a sample of 214 students. Subsequently, a Confirmatory Factor Analysis (CFA) was applied in a sample of 305 students to corroborate the structure of the model found in the EFA. It is found that the ACL21 is grouped into 2 factors called online group performance and online individual commitment. The ACL21 showed excellent internal consistency (Cronbach's alpha = 0.945). Regardi...