42 question is same, in order to make Creative Thinking Ability students
are more developed. A pre-test is to determine the students ability at the beginning before the action. A post-test is to determine the
students’ ability after the action is given. This Creative Thinking Ability test uses test from Torrance or TTCT The Torrance Creativity
Thinking. 3. Documentation
Documentation is the result of recording students’ learning process in the class. The documentations use in this research are a
Ulangan Harian UH mark in taxation subject to divide a group when discussion and photos when the learning process by using Problem
Based Learning Model to improve the students’ Creative Thinking Ability.
F. Research Instruments
Instruments are tools that use by researcher to facilitate the measurement of variables Mustafa EQ 2009: 93. The instruments used in
this research are as follows: 1. Observation Sheet
Observation sheet used to observe the students’ Creative Thinking Ability during the learning process by using Problem Based Learning
Model. There are guidelines for observation with the indicator of Creative Thinking Ability to make the observation easier. The
43 following lattice Creative Thinking Ability of observation instruments
is as follows: Table 4. Lattice of Creative Thinking Ability Observation Sheet
No. Characteristics of
Creative Thinking Ability Indicators of Creative
Thinking Ability
1. Fluency
thinking skills
a. Student asks questions when learning process.
b. Student is able to answer questions by teacher and
other students. 2.
Original thinking skills The student is able to provide
answers the questions that come from his own mind.
3. Detailing or elaborating
skills The student is able to express
the reason of answers the questions that successfully
addressed the student.
Source: Danny Susilo 2014: 36-39 with modifications Scoring the indicator of Creative Thinking Ability by using a
predetermined scoring guidelines, as follows: Table 5. Scoring Guidelines of Creative Thinking Ability
Category Score
Creative 3
Enough 2
Less Creative 1
From the lattice of Creative Thinking Ability observation sheet in Table 4, it is described more detailed the criteria for each indicator
and each score in the following table: Table 6. Observation Guidelines of Creative Thinking Ability
No. Indicators of
Creative Thinking Ability
Criteria Score
1 Student asks
questions when learning process.
Creative: student asked a question by own volition
when learning process. 3
44
No. Indicators of
Creative Thinking Ability
Criteria Score
Enough: student ask questions after given the
opportunity to ask questions when learning
process. 2
Less Creative: student does not ask when
learning process. 1
2 The student is able to
answer questions by teacher and other
students. Creative: student answer
questions from the teacher and other students of own
volition or without designated beforehand.
3
Enough: student answer questions from teacher
and other students after being appointed to
respond. 2
Less Creative: student does not try to answer
questions from teacher and other students.
1 3
The student is able to provide answers the
questions that come from his own mind.
Creative: student answer questions or express ideas
without reading the book derived from his own
thoughts. 3
Enough: student answer questions or express ideas
with occasional reading a book.
2 Less Creative: student
answer questions or express an idea by
reading the answer in the book as a whole.
1
4 The student is able to
express the reason of answers the
questions that successfully
addressed the student.
Creative: student explains the reason of the answers
heshe proposed example ... because ... for
obvious reasons. 3
Enough: student explains the reason of the answers
2
