VARIABEL DAN PENGUKURAN Salamun Biologi FMIPA Unair

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HUBUNGAN VARIABEL VS PENGUKURAN

VARIABEL Segala sesuatu yg menunjukkan variasi Operasionalisasi konsep = Konsep yg operasional (dapat diamati dan diukur Konsep > Dimensi > Variabel / Indikator

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DEFINISI OPERASIONAL KONSEP  VARIABEL PN, PS, WR, TB IJAZAH : SD, SMP, SMA, S1,S2, S3 JENIS MOBIL, TIPE RUMAH PENDIDIKAN PEKERJAAN KEKAYAAN SATUS SOSIAL EKONOMI

CONTOH Definisi Operasional Volume penjualan produk X adalah banyaknya unit produk X yang terjual ditingkat distributor tiap tahun JENIS DATA : DATA SKUNDER SKALA DATA : INTERVAL / RATIO UNIT ANALISIS : PRODUK X SUMBER DATA : DISTRIBUTOR INSTRUMENT : DOKUMEN PENJUALAN

Definisi Operasional MENENTUKAN : JENIS DATA SKALA DATA UNIT ANALISIS SUMBER DATA INSTRUMENT

KLASIFIKASI VARIABEL SIFAT : Aktif dan Pasif (Atribut) SKALA : Nominal, Ordinal, Interval, Rasio FUNGSI / KEDUDUKAN / STATUS : INPUT : Bebas, Moderator, Kendali, Acak PROSES : Intervening OUTPUT : Tergantung / Kriteria

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VARIABEL KAUSA  EFEK STIMULI  RESPONS X  Y BEBAS  TERGANTUNG PREDIKTOR  KRITERIA STIMULI  RESPONS X  Y

TIPE KESALAHAN KAUSALITAS Ecological failacy Reductionism Tautology Spuriousness TUGAS : Definisikan dan contoh

PENGUKURAN Assigning numbers to show differences according to specific rules A point of reference from which to make comparisons

WHY MEASURE ? To see, and be able to say, what is. To be able to come to an objective agreement To see, and be able to describe differences To allow objective comparisons

The Measurement Process Identifying the concept of interest Develop a construct DA constitutive definition Operational definition Measurement scales Evaluate reliability and validity of the scale Utilize the scale Research findings The Measurement Process

SCALE PROPERTIES Assigment (Nominal) : Categories Order (Ordinal) : Categories organized from first to last Distance (Interval) : Categories with comparable differences Origin (Ratio) : Categories with comparable magnitudes of difference

KERJAKAN TUGAS PELAJARI HASIL TATAP MUKA PENGAYAAN DENGAN MEMBACA BUKU ACUAN KERJAKAN TUGAS