The effect of cognitive and meta-cognitive strategies on self-concept and procrastination of first grade high school students

The aim of this study was to investigate the effect of cognitive and metacognitive strategies on self-concept and procrastination of first grade high school students in Shiraz city.

The research method was experimental with pre-test and post-test design for both experimental and control groups. The statistical population of the present study consisted of all female students of the first grade high school (ninth grade) of District 1 of Shiraz in the academic year 2021-2022, whose number is estimated to be about 1850 by referring to the Education Department of Shiraz city. Sixty students were selected through purposive sampling method. The instruments used in this study were Solomon and Roth Bloom and Chen and Thompson self-concept of academic procrastination questionnaires. The face and content validity of the questionnaire was confirmed by experts and technicians and the reliability was confirmed by Cronbach's alpha method. Descriptive statistics (mean and standard deviation) and inferential statistics (univariate and multivariate analysis of covariance) were used to analyze the data.

The results of the research indicated that the use of cognitive and metacognitive strategies explains 13.4% of the variance of self-concept and 21.9% of the variance of students' procrastination. Also, the use of cognitive and metacognitive strategies has a significant effect on the dimensions of self-concept (general, educational and non-academic) and dimensions of procrastination (preparing for exams, preparing homework and preparing for research).

The results indicated that the students who used cognitive and metacognitive strategies were better than other students in terms of self-concept and procrastination.