H a sil S im u la si C A T

2. H a sil S im u la si C A T

H a s i l s i m u l a s i C A T d a r i p e s e r t a t e s b e r k e m a m p u a n r e n d a h d i t u n j u k k a n d a l a m T a b e l 2 . H a s i l p e n g o l a h a n d a t a T a b e l 2 s e c a r a g r a f i k m e m p e r o l e h r i w a y a t h a s i l p e s e r t a t e s s e p e r t i d i t u n j u k k a n p a d a G a m b a r 5 . P a d a s i m u l a s i t e r s e b u t m u l a - m u l a p e s e r t a t e s d i a n g g a p m e m p u n y a i t i n g k a t k e m a m p u a n a w a l n y a 6 a w a l s e d a n g 0 a w a l = 0 d a n d i b e r i s o a l d e n g a n t i n g k a t k e s u l i t a n a w a l y a n g s e d a n g p u l a b a w a l = 0 . P e s e r t a t e s d i b e r i k e s e m p a t a n u n t u k m e n j a w a b s o a l d e n g a n a l o k a s i w a k t u t e r t e n t u . B e r d a s a r k a n j a w a b a n y a n g d i b e r i k a n p e s e r t a t e s , k e m u d i a n d i h i t u n g : k e m a m p u a n 0 p e s e r t a t e s s e t e l a h m e n j a w a b b u t i r s o a l , p r o b a b i l i t a s m e n j a w a b b e n a r b e r d a s a r k a n k e m a m p u a n t e r s e b u t P 0 , p r o b a b i l i t a s m e n j a w a b s a l a h Q 0 , f u n g s i i n f o r m a s i b u t i r £ 0 , k e s a l a h a n b a k u SE 6 , d a n h a r g a m u t l a k s e l i s i h k e s a l a h a n b a k u a n t a r p e n y a j i a n s o a l. K a r e n a j a w a b a n p e r t a n y a a n p e r t a m a s a l a h , y a i t u d i t a n d a i d e n g a n s k o r j a w a b a n = 0 , m a k a p a d a p u t a r a n k e d u a p e s e r t a d i b e r i s o a l y a n g l e b i h m u d a h , y a i t u d e n g a n t i n g k a t k e s u l i t a n - 0 ,4 5 . S o a l k e d u a i n i t e r n y a t a d a p a t d i j a w a b d e n g a n b e n a r . M e n g g u n a k a n r u m u s - r u m u s y a n g t e l a h d i k e m u k a k a n m a k a d a p a t d i h i t u n g k e m b a l i : k e m a m p u a n 0 p e s e r t a t e s s e t e l a h m e n j a w a b b u t i r s o a l , p r o b a b i l i t a s m e n j a w a b b e n a r b e r d a s a r k a n k e m a m p u a n t e r s e b u t P 0 , p r o b a b i l i t a s m e n j a w a b s a l a h Q 0 , f u n g s i i n f o r m a s i b u t i r £ 0 , k e s a l a h a n b a k u SE 6 , d a n h a r g a m u t l a k s e l i s i h k e s a l a h a n b a k u a n t a r p e n y a j i a n s o a l. T a b e l 2 . H a s i l S i m u l a s i C A T p a d a S i s w a B e r k e m a m p u a n R e n d a h N o . K o d e B u t i r D a y a B e d a T i n g k a t K e s u l i t a n T e b a k a n S k o r J a w a b a n e A w a l e S e t e l a h J a w a b P 6 Q0 - i - P 6 IIF SE 6 S e li s i h SE A n t a r I t e r a s i 1 93 0 .1 3 0 .3 0 .0 0 0 .0 0 0 .5 0 0 .5 0 0 .2 5 2 .0 0 2 .0 0 2 87 0 .61 - 0 . 4 5 0 .81 1 0 .0 0 - 0 . 4 5 0 .5 0 0 .5 0 0 .2 5 1.41 0 .5 9 3 6 0 .6 - 0 . 2 5 0 .1 3 - 0 . 4 5 - 0 . 4 5 0 .5 8 0 .4 2 0 .2 4 1 .16 0 .2 5 4 63 0 .9 1 - 0 . 0 5 0 .5 5 1 - 0 . 4 5 - 0 .0 5 0 .5 0 0 .5 0 0 .2 5 1 .00 0 .1 6 5 6 9 1.3 7 0 .1 5 0 .7 1 1 - 0 . 0 5 0 .1 5 0 .5 0 0 .5 0 0 .2 5 0 .9 0 0 .1 1 6 83 0 .9 5 0 .3 5 0.1 1 0 .1 5 0 .3 5 0 .5 0 0 .5 0 0 .2 5 0 .8 2 0 .0 8 7 88 1 .36 0 .5 5 0 .3 9 0 .3 5 0 .3 5 0 .5 8 0 .4 2 0 .2 4 0 .7 6 0 .0 6 8 7 6 1 .67 0 .7 5 0 .1 1 0 .3 5 0 .3 5 0 .6 6 0 .3 4 0 .2 2 0 .7 1 0 .0 4 9 86 1.7 9 0 .9 5 0 .2 6 0 .3 5 0 .3 5 0 .7 3 0 .2 7 0 .1 9 0 .6 8 0 .0 3 10 2 8 0 .4 9 1.15 0 .5 5 0 .3 5 0 .3 5 0 .8 0 0 .2 0 0 .1 6 0 .6 7 0 .0 1 P e n y a j i a n s o a l d a n p e r h i t u n g a n t e r s e b u t d i u l a n g - u l a n g s a m p a i a k h i r n y a stopping rule t e r c a p a i , y a i t u h a r g a a b s o l u t s e l i s i h S E a n t a r i t e r a s i s a n g a t k e c i l = 0 , 0 1 a t a u s o a l h a b i s . K e m a m p u a n a k h i r p e s e r t a t e s a d a l a h k e m a m p u a n t e r t i n g g i d a r i j a w a b a n s o a l y a n g b e n a r . H a s i l p e n g o l a h a n a n g k a d a r i T a b e l 2 s e c a r a g r a f i s d i t u n j u k k a n p a d a G a m b a r 5 . 11 R iw a y a t Hasil Tes P eserta 2.50 p r n “ 1 .5 0 \ 1.00 \ a \ 5 0 .5 0 — ■ 00 -0 .5 0 1.00 K — ~ y 11 ■ m V i S 7 9 ■ 9 Se t e l a h Ja w a b -Se l i s i h SE An t a r Iter asi Soal K e ... G a m b a r 5 . R i w a y a t H a s i l T e s P e s e r t a C A T B e r k e m a m p u a n R e n d a h H a s i l s i m u l a s i C A T d a r i p e s e r t a t e s b e r k e m a m p u a n t i n g g i d i t u n j u k k a n d a l a m T a b e l 3 . C a r a p e r h i t u n g a n a n g k a - a n g k a y a n g a d a d a l a m k o l o m d a r i t a b e l t e r s e b u t s a m a d e n g a n c a r a p e r h i t u n g a n y a n g d i g u n a k a n s i m u l a s i C A T d e n g a n p e s e r t a t e s b e r k e m a m p u a n r e n d a h . P e n g o l a h a n d a t a s e c a r a g r a f i k a n g k a - a n g k a y a n g a d a d i T a b e l 3 d i t u n j u k k a n p a d a G a m b a r 6 . G a m b a r 6 m e n u n j u k k a n b a h w a u n t u k l i m a k a l i p e s e r t a m e n j a w a b s a l a h e s t i m a s i k e m a m p u a n p e s e r t a t e s s u d a h k o n v e r g e n . H a s i l C B T m a u p u n C A T d a r i s i m u l a s i i n i m e n y i m p a n d a t a j a w a b a n b e n a r a t a u s a l a h d a r i p e s e r t a t e s u n t u k s e t i a p b u t i r y a n g d i k e r j a k a n . K a r e n a s e t i a p b u t i r s o a l m e m p u n y a i k o d e b u t i r d a n b u t i r t e r s e b u t m e m p u n y a i r e l a s i s e c a r a l a n g s u n g d e n g a n i n d i k a t o r d a n t i d a k l a n g s u n g d e n g a n K D d a n S K , m a k a s e h a r u s n y a j u m l a h s o a l d e n g a n i n d i k a t o r t e r t e n t u y a n g d i j a w a b b e n a r a t a u d i j a w a b s a l a h o l e h p e s e r t a t e s d a p a t d i k e t a h u i . D e n g a n d e m i k i a n s i s t e m i n i j u g a d a p a t d i g u n a k a n u n t u k d i a g n o s t i k e s u l i t a n b e l a j a r s i s w a . T a b e l 3 . H a s i l S i m u l a s i C A T p a d a S i s w a B e r N o . K o d e B u t i r D a y a B e d a T i n g k a t K e s u l i t a n T e b a k a n S k o r J a w a b a n e A w a l e S e t e l a h J a w a b P i 0 Q0= 1-P0 IIF S E 0 S e li s i h SE A n t a r I t e r a s i 1 55 0.29 0.14 1 0.00 0.00 0.50 0.50 0.25 2.00 2.00 2 70 1.37 0.5 0.75 1 0.00 0.50 0.50 0.50 0.25 1.41 0.59 3 74 0.78 1 0.02 1 0.50 1.00 0.50 0.50 0.25 1.15 0.26 4 19 1.18 1.5 0.4 1 1.00 1.50 0.50 0.50 0.25 1.00 0.15 5 65 0.89 2 0.55 1 1.50 2.00 0.50 0.50 0.25 0.89 0.11 6 4 1.9 2.5 0.44 1 2.00 2.50 0.50 0.50 0.25 0.82 0.08 7 3 0.02 3 0.43 1 2.50 3.00 0.50 0.50 0.25 0.76 0.06 8 47 0.27 3.5 0.01 1 3.00 3.50 0.50 0.50 0.25 0.71 0.05 9 12 0.48 4 0.16 1 3.50 4.00 0.50 0.50 0.25 0.67 0.04 10 70 1.78 4.5 0.52 4.00 4.00 0.70 0.30 0.21 0.64 0.03 11 19 0.35 5 0.16 4.00 4.00 0.85 0.15 0.13 0.62 0.02 12 50 1.09 5 . 5 0.24 4.00 4.00 0.93 0.07 0.07 0.61 0.01 13 25 1.21 6 0.27 4.00 4.00 0.97 0.03 0.03 0.61 0.00 14 98 0.65 6.5 0.61 4.00 4.00 0.99 0.01 0.01 0.61 0.00 c e m a m p u a n T i n g g i 12 R iw ayat Hasii Tes P eser ta 9 Setelah Jawab Selisih SE A ntar Ite rasi G a m b a r 6 . 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3. H a s il P e n g e m b a n g a n P e r a n g k a t L u n a k