Subjects and Objects of the Research Operational Definitions

b. Action Stage PBL model was still implemented in this stage to improve students’ learning achievement. Learning process was conducted based on lesson plans. c. Observation Stage In observation stage, evaluation of learning achievement was done by filling group work sheets. Observation included noting, observing and documenting learning processes. d. Reflection Stage The researcher waited for the results of Cycle 2 implementation.

E. Research Setting

1 Place This research was conducted in State Vocational Senior High School 4 Klaten, in XI AK3 class , odd semester, in the academic year of

20152016. 2

Time This research was done in November 2015, odd semester, in the academic year of 20152016. a. March-April 2015: preparation stage included a thesis title proposing, supervisor request, a thesis proposal writing, permission granting for doing research, the school surveys, and research instrument consultation. b. August-September 2015: research stage included all activities done in the field covering research instrument testing and data collection. c. November 2015-finish: final stage included data processing and report writing.

F. Data Collection Techniques

a. Observation Observation is done directly to the objects of the research, so the researcher knows the real condition during accounting teaching and learning processes. b. Test of Learning Achievement A test is an evaluation tool for students. It is in the form of written, spoken or action. c. Field notes Field notes are needed to write down important things occurring during teaching and learning processes.

G. Research Instruments

a. Observation Sheets This research instrument is filled with the results of classroom observation during teaching and learning processes. Observation sheets also function as a reflection for the next cycle. No Langkah Pembelajaran Kelompok A B C D E F G H 1. Aktivitas mengidentifikasi masalah 2 4 3 2 3 3 2 4 2. Aktivitas menganalisis masalah 2 4 3 2 3 3 2 4 3. Aktivitas menyusun hipotesis 2 4 3 2 3 3 2 4 4. Aktivitas mengumpulkan data 2 4 3 2 3 3 3 4 5. Aktivitas menganalisis data 2 4 3 2 3 3 3 4 6. Aktivitas menyempurnakan permasalahan yang telah dirumuskan 2 4 3 2 3 2 2 3 7. Aktivitas menguji hipotesis 2 3 3 2 2 2 3 4 8. Aktivitas menampilkan penemuan 2 3 2 2 2 2 2 3 Adapted and modified from Heni 2010 Explanation: A number of students in one group : 4-5 Maximal score of each indicator : 4 1 = Not Active 2 = Less Active 3 = Active 4 = Very Active