evaluation; 9) Select the data gathering methods and
tools for each stage; 10) Plan the report(s) of the
evaluation; and 11) Implement the evaluation (Ogle,
2002).
The participants of this research were Public
Kindergarten Pembina 1 Palembang students (5-6
years old). One to one and small group process
involved three children and nine children was in field
test. Research procedure in Rowntree model that
implemented in this research was following the three
phases as follows.
2.1 Planning Stage
Need analysis was the first step of planning stage. The
analysis was about students’ need and learning media,
especially introduction of measurement material by
analysis learning media and interviewing the teachers in
Public Kindergarten Pembina 1 Palembang.
2.2 Development Stage
2.2.1 Design Stage
On this stage, researchers design product in a form of
learning measuring toys. Design development has to be
suitable with early childhood curriculum, playing tools
characteristic, playing tools requirements, and targets
that the researchers want to achieve. The target is the
mastery of measuring material learning for 5-6 years old
children after using measuring material game.
2.2.2 Prototype Production
After arranging the design, the next step is prototype
product. The design that had been designed is converted
to be playing tools. Every part of design is presented in
the form of playing tools that consist of measure
material. The result of all of the development stages is
called Prototype 1.
2.3 Evaluation Stage
On this stage, the earliest design prototype will be
evaluated by following format from Tessmer (1993)
with steps described on below:
2.3.1 One-to-One Evaluation
On this step, measuring material game is implemented
to children permainan Researchers choose three children
randomly for deputized target population which are
children with low, medium and high ability. Those
children will be given learning material with prototype
1 that has been revised. On the learning process by
observation sheet that has been provided for seeing and
assuming directly the behaviour or the process of
learning activity by implementing prototype 1. This is
implemented for considering the practical usage of
playing tools viewed from children’s perspective. That
observation result will be the basic for revising product
(prototype 1) which will produce prototype 2.
2.3.2 Small Group Evaluation
On this stage, prototype 2 is tested for small group of
children that consist of 9 students. Next, children will
be given learning material with revised prototype 2.
On the learning process, children will be observed
again for seeing and assessing directly the behavior
or process of learning by using learning material
using playing tools (prototype 2).
Data collecting technique for this research is:
Walkthrough. The classroom walkthrough is
considered one important tool among many used to
achieve school improvement (Stout, Kachur &
Edwars, 2010). Walkthrough is data validation that
involving some experts for evaluating product as the
base for revising early product or prototype 1.
Data collecting instrument in this technique is by
using validation sheet that given to experts or
valuators. Data collected on validation sheet are in
form feedback and suggestions which become basis
for researchers to revise on early product (prototype).
Data from validation result by expert is used for
receiving information explication about product
validation, so researchers can use validation result
data as the reference for revise product or prototype
until they are declared as feasible to be tested.
In this research used an assessing behaviour
viewed from children’s activeness on learning
activity by using mathematic illustrated story book.
The method for achieving observation data is by
directly observing and assessing the activity and
behaviour of children learning process by using
mathematic illustrated story book. The purpose of
observation is we can watch someone or something
passively and without an expressed intent,
observation is seen as a means to an end—as helping
to answer a specific question that has been posed
(Briesch, Volpe & Floyd, 2018). Observation is done
on one-to-one, small group, and field test, whether it
has already implemented good or not by using
mathematic illustrated story book.
Walkthrough result with experts is analysis
descriptively as suggestion for revising book. The
suggestion is written again in validation sheet.
Validation sheet given for experts is in a form of likert
scale. A likert scale invites individual to rate their
level of agreement or disagreement with items
measuring their attitudes or perceptions. While