2.4.1. Face Validation of the SETES

2.4.1. Face Validation of the SETES-M

The draft copy of the SETES-M items was first face validated by specialists in measurement and evaluation in terms of clarity, relevance and structure.

2.5. Initial Trail Testing of the SETES-M (Preliminary Factorial Validation)

The face-validated SETES-M was administered to a sample of thirty senior secondary school students
in Kwali and Gwagwalada Area Council (15 students each). The students’ responses were scored and subjected to factor analysis. Out of the 100 items that were subjected to factorial validation, ten items

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Adeneye Olarewaju Awofala / Cypriot Journal of Educational Sciences. 7,1 (2012) 33-44



were not loaded on any factor based on accepted range of 0.35 and above. These factors were dropped.
Also eighteen items were loaded on more than one factor and were considered factorially complex and dropped leaving behind 72-item. The 72-item SETES-M was used in the main field work.

2.6. Mathematics Achievement Test (MAT)

The MAT had 40 multiple-choice objective test items with one key and three distractors. It covered the major concepts around the Senior Secondary Mathematics Curriculum often considered difficult
(WAEC, 2005). As shown in Table 2, test content covered the concepts of trigonometry, latitudes and longitudes and bearings and distances in the three levels of cognitive domain of remembering, understanding and thinking.

After establishing content and construct validity, MAT was administered to thirty (30) senior secondary students that were not part of the main study. Their responses were used to compute the average item difficulty which yielded 0.45 and discriminating power of more than 0.40 was recorded for each of the items. A reliability coefficient of 0.85 was also obtained using Kuder-Richardson’s formula
20.

Results (Indonesian) 2:

2.4.1. Wajah Validasi setes-M Rancangan salinan item setes-M adalah wajah pertama divalidasi oleh ahli pengukuran dan evaluasi dalam hal kejelasan, relevansi dan struktur. 2.5. Awal Trail Pengujian setes-M (Preliminary Faktorial Validasi) Wajah-divalidasi setes-M diberikan kepada sampel dari tiga puluh siswa sekolah menengah atas di Kwali dan Dewan di Area Gwagwalada (15 siswa masing-masing). Respon siswa diberi skor dan mengalami faktor analisis. Dari 100 item yang menjadi sasaran faktorial validasi, sepuluh item 37 Adeneye Olarewaju Awofala / Siprus Jurnal Ilmu Pendidikan. 7,1 (2012) 33-44 tidak dimuat pada faktor apa saja berdasarkan berbagai diterima dari 0,35 dan di atas. Faktor-faktor ini dijatuhkan. Juga delapan belas item yang dimuat pada lebih dari satu faktor dan dianggap faktorial kompleks dan menjatuhkan meninggalkan 72-item. 72 item setes-M digunakan dalam pekerjaan lapangan utama. 2.6. Matematika Prestasi Test (MAT) MAT memiliki 40 item tes objektif pilihan ganda dengan satu tombol dan tiga distractors. Ini mencakup konsep utama sekitar Senior Matematika Sekunder Kurikulum sering dianggap sulit (WAEC, 2005). Seperti terlihat pada Tabel 2, konten pengujian meliputi konsep trigonometri, lintang dan bujur dan bantalan dan jarak dalam tiga tingkatan domain kognitif mengingat, pemahaman dan pemikiran. Setelah mendirikan konten dan validitas konstruk, MAT diberikan kepada tiga puluh (30) siswa menengah atas yang bukan bagian dari kajian utama. Tanggapan mereka digunakan untuk menghitung rata-rata barang kesulitan yang menghasilkan 0,45 dan kekuasaan diskriminatif lebih dari 0,40 tercatat untuk masing-masing item. Sebuah koefisien reliabilitas 0,85 juga diperoleh dengan menggunakan rumus Kuder-Richardson 20.