Two Groups Too Many Try Analysis of Variance

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Two Groups Too Many? Try Analysis of Variance Ratri Psikologi Pendidikan UNJ

Two Groups Too Many? Try Analysis of Variance Ratri Psikologi Pendidikan UNJ

Introduction to Analysis • ANOVA digunakan karena ada lebih dari dua kelompok yang diuji/dibandingkan.

Introduction to Analysis • ANOVA digunakan karena ada lebih dari dua kelompok yang diuji/dibandingkan. • Tes statistik untuk ANOVA dinamakan tes F, (F test), berasal dari nama R. A. Fisher, ahli statistik. • Apa lagi yaa? Baca buku statistik lain!!

The Path to Wisdom and Knowledge • We are testing for differences between scores

The Path to Wisdom and Knowledge • We are testing for differences between scores of the different groups. • Respondents are not being tested more than once • There are several groups (ex. three groups) • The appropriate test statistic is simple analysis of variance

Different Flavors of Anova • Anova penggunaannya bervariasi • Salah satunya adalah Simple analysis

Different Flavors of Anova • Anova penggunaannya bervariasi • Salah satunya adalah Simple analysis of variance • Dimana: hanya ada satu faktor atau satu variabel perlakuan yang diteliti dalam lebih dari dua kelompok • Simple ANOVA One way ANOVA Salkind, p: 195 -196

Computing The Test Statistic • Rumus: – F = MSbetween MSwithin MS = Means

Computing The Test Statistic • Rumus: – F = MSbetween MSwithin MS = Means Sum of Square

Ilustrasi perhitungan data Groups 1 Group 2 Group 3 87 86 76 56 78

Ilustrasi perhitungan data Groups 1 Group 2 Group 3 87 86 76 56 78 98 77 66 75 67 87 85 99 85 79 81 82 78 85 91 89 91 96 87 89 90 89 96 96 93

Step by Step. . . Step 1 * A statement of the null and

Step by Step. . . Step 1 * A statement of the null and research hypothesis H 0: µ 1 = µ 2 = µ 3 H 1: X 1 ≠ X 2 ≠ X 3 Step 2 * Setting the Lo. S 0. 05 Step 3 * Selection of appropriate test Simple ANOVA

Two Groups Too Many Try Analysis of VarianceTwo Groups Too Many Try Analysis of Variance
MEASURES OF VARIABILITY Variance Population variance Sample varianceMEASURES OF VARIABILITY Variance Population variance Sample variance
Variance and Standard Deviation Variance The variance ofVariance and Standard Deviation Variance The variance of
Try doing or Try to do Try gerundTry doing or Try to do Try gerund
Exceptions try catch and finally try try statementsExceptions try catch and finally try try statements
TOO TOO ADJECTIVE TOO can be followed byTOO TOO ADJECTIVE TOO can be followed by
Too Much Too Little Too Late A CriticalToo Much Too Little Too Late A Critical