Resumen
This study was carried out to evaluate the effectiveness of mobile learning app based on collaborative learning in authentic environment (known as AKSES) and its impact on the preschool students? basic scientific process skills competency namely; observation, classification and communication. In addition, the study also investigated competency patterns of the students? skills. This study was a quantitative study which used two sets of instruments which looked into AKSES application and marking rubrics of the students? basic scientific process skills. Based on quasi-experimental study, the duration of the study was seven weeks and six learning activities were implemented. Two rural preschools were selected based on quota sample selection and 25 students were in each controlled and treatment groups. Analysis of the survey data was carried out in the form of descriptive and inferential analysis involving Mann-Whitney U test. The Mann-Whitney U test analysis found significant differences in competency patterns of basic scientific process skills in both groups. Meanwhile, the competency patterns of basic scientific process skills indicated positive increase among all preschool students after the utilization of AKSES application in learning activities based on collaborative learning strategy in an authentic environment.