The aim of this study is to find out the correlation between: (1) critical thinking

skill and critical reading skill; (2) grammatical mastery and critical reading skill;

and (3) critical thinking skill and grammatical mastery toward critical reading

skill. 

This is a correlational research method which is a kind of quantitative research.

The population of the study is the third semester of one of the universities in

Surakarta in the academic year of 2017/2018. The samples are 27 students of class

B that were taken by cluster random sampling. The instruments in collecting the

data are tests. The tests were used to collect the data of critical thinking skill,

grammatical mastery, and critical reading skill. 

The results of this research show that: 1) there is positive correlation between

critical thinking skill and critical reading skill (rxly=0.669); 2) there is a positive

correlation grammatical mastery and critical reading skill (rx2y=0.682); and 3)

there is a positive correlation among critical thinking skill, grammatical mastery

simultaneously, and critical reading skill (R = 0.77). The results of this research

show that critical thinking skill and grammatical mastery have contributions on

the students’ critical reading skill especially in the students’ score and the process

to answer the question of the test. Therefore, critical thinking skill and

grammatical mastery can be implemented in teaching and learning of critical

reading. An English teacher needs to arrange some activities in his lesson plan

which can increase students’ critical thinking skill and grammatical mastery that

are related to the teaching and learning of critical reading skill.

Keywords: Correlation, Critical Thinking Skill, Grammatical Mastery, Critical

Reading Skill