TY JOUR TI Difficulties in Mastering Universal Educational Cognitive Actions of Students in the 6th and 8th grade (Based on the Results of Diagnostic Work) KW diagnostics of educational achievements; Educational Standard KW monitoring and evaluation of educational achievements; universal educational cognitive skills evaluation criteria: basic logical and research skills KW working with information JO Standards and Monitoring in Education AU Ambarcumova, E.M. PY 2021 IS 9 PB INFRA-M Academic Publishing LLC.