ABSTRAK
Penelitian ini dilakukan untuk mendapatkan gambaran mengenai perbedaanpersepsi diri terhadap tingkah laku menyontek pada kelompok siswa kelas 12berdasarkan kecenderungan orientasi tujuan berprestasi. Pengukuran persepsisiswa terhadap tingkah laku menyontek menggunakan alat ukur berupa kuesioneratau self-report yang dimodifikasi dari beberapa alat ukur (Anderman, Grissinger,dan Westerfield 1998; Bolin, 2004; deLambret dkk.; 2003; Lambret dkk., 2003).Pengukuran orientasi tujuan berprestasi siswa menggunakan alat ukur Patterns ofAdaptive Learning Scale (PALS) yang dikembangkan oleh Midgley dkk. (2000).Responden penelitian ini berjumlah 88 siswa kelas 12 SMA yang berasal dariberbagai sekolah yang berbeda-beda. Hasil penelitian ini menunjukkan bahwatidak terdapat perbedaan persepsi diri terhadap tingkah laku menyontek padakelompok siswa berdasarkan kecenderungan orientasi tujuan berprestasi. Skorpersepsi diri terhadap tingkah laku menyontek yang rendah terdapat padakelompok siswa dengan kecenderungan orientasi tujuan mastery. Di sisi lain,kelompok dengan orientasi tujuan performance memiliki persespsi diri terhadaptingkah laku menyontek yang tinggi. Hasil penelitian sudah sejalan dengan teoriorientasi tujuan berprestasi yang menyatakan bahwa siswa dengan kecenderunganorientasi tujuan mastery akan cenderung tidak menyontek.

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ABSTRACT
This study was conducted to get an idea of the difference of self-perceptiontowards academic cheating behavior in 12th grade student groups based onachievement goal orientation tendency. The measurement of self-perceptiontowards academic cheating using self-report questionnaire that has modifiedfrom some measurement (Anderman, Grissinger, and Westerfield 1998; Bolin,2004; deLambret et al .; 2003; Lambret dkk., 2003). Student achievement ofgoal orientation were measured by Patterns of Adaptive Learning Scales(PALS) which developed by Midgley etc. (2000). This respondents were 88high school students in 12th grade from several different schools. The resultsshowed that there was no difference of mean of self-perception towardsacademic cheating on 12th grade group based on achievement goal orientationtendency. Mean of self-perception towards academic cheating are the lowest inthe group of students with performance goal orientation tendencies. In the Otherhand, group of student with mastery goal orientation tendencies have a highmean of self-perception towards academic cheating. The results has beenconsistent with the achievement goal orientation theory which states thatstudents with mastery goal orientation tendencies will not tend to cheat.