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![Page 1: VARIABEL - unita.lecture.ub.ac.idunita.lecture.ub.ac.id/files/2016/09/4.-Variabel-dan-Definisi.pdfGender (1=Male, 2=Female) Frequency in each category Percent in each category Mode](https://reader031.fdocuments.net/reader031/viewer/2022022009/5ae9ae2b7f8b9ae5318b6d61/html5/thumbnails/1.jpg)
VARIABEL
Metode Penelitian Psikologi 1
Unita Werdi Rahajeng – www.unita.lecture.ub.ac.id
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UNIVARIATE VS MULTIVARIATE DESIGN
Univariate
Descriptive
1. Berapa banyak kejadian bullying di SD?
2. Berapa banyak siswa putri yang terlibat menjadi pelaku bullying?
Multivariate
Descriptive & Causal
1. Apakah ada perbedaan jumlah kejadian bullying di SD dan SMP?
2. Apakah jenis kelamin berpengaruh terhadap potensi siswa menjadi pelaku bullying?
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Apakah Variabel?
• Elemen yang muncul di pertanyaan penelitian atau hipotesis
• Properti yang memiliki variasi dalam kualitas maupun derajad-nya
• Minimal memiliki 2 variasi atau lebih
• Variabel >< konstanta
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TIPE atau MACAM-MACAM VARIABEL
Berdasasrkan Cara
Mengukurnya
• Nominal
• Ordinal
• Interval
• Rasiio
Berdasarkan Fungsinya
• Bebas
• Tergantung
• Moderator
• Mediator
• Kontrol
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Jenis Variabel Berdasarkan Cara Pengukurannya
1. Nominal
2. Ordinal
3. Interval
4. Rasio
Berhubungan dengan teknik analisis data yang akan digunakan
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Age in years
Income in Saudi
riyals
Geometric mean
Coefficient of
variation
Arithmetic
operations on
actual quantities
Classification, order,
distance and unique
origin
Ratio
Temperature in
degrees
Satisfaction on
semantic
differential scale
Mean
Standard deviation
Variance
Arithmetic
operations that
preserve order and
magnitude
Classification, order,
and distance but no
unique origin
Interval
Academic status
(1=Freshman,
2=Sophomore,
3=Junior,
4=Senior)
Median
Range
Percentile ranking
Rank orderingClassification and
order but no
distance or unique
origin
Ordinal
Gender (1=Male,
2=Female)
Frequency in each
category
Percent in each
category
Mode
CountingClassification but no
order, distance, or
origin
Nominal
ExamplesDescriptive
Statistics
Numerical
Operation
Data
Characteristics
Type of
Scale
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Jenis Variabel Berdasarkan Fungsinya
1. Variabel Bebas (Independent Variable)
2. Variabel Tergantung (Dependent Variable)
3. Variabel Mediator
4. Variabel Moderator
5. Variabel Asing
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Variabel Bebas (Independent Variable)
• Variasi pada variabel bebas menjadi penyebab pada variasi dalam variabel tergantung
• Pada penelitian eksperimen merupakan manipulasi yang dilakukan peneliti
• Nama lain: antecedent variable, experimental variable, treatment variable, causal variable, predictor variable
• Notasi matematis x
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Variabel Tergantung
• Variasi dari variabel ini dipengaruhi oleh variasi pada variabel bebas
• Biasanya adalah “primary interest” peneliti
• Nama lain: criterion variable, outcome variable
• Notasi matematis y
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Hubungan antara Variabel Bebas dan Tergantung
Variabel Bebas (x) Variabel Tergantung (y)
Variabel Bebas (x) Variabel Tergantung (y)
1. Terdapat pengaruh jenis kelamin (x) terhadap intensi menjadi pelaku bullying (y)2. Pengawasan dari guru (x) berperan terhadap frekuensi bullying (y) di sekolah
1. Kecenderungan agresivitas (x) berhubungan dengan perilaku bullying (y)2. Popularitas siswa (x) berhubungan dengan frekuensi melakukan bullying (y)
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Variabel Mediator• Variabel yang menjadi perantara terjadinya variasi variabel tergantung
karena variasi variabel bebas
• Seringkali sebagai variabel yang sifatnya hipotetikal (tidak terukur)
• Lazim dalam ranah penelitian sosial. Tidak lazim dalam ilmu hayati
Jenis KelaminKecenderungan
Agresivitas
Intensi Melakukan
Bullying
Variabel Bebas Variabel TergantungVariabel Mediator
http://www.uni.edu/butlera/courses/org/modmed/moderator_mediator.htm
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Variabel Moderator
• Variabel yang mampu merubah kekuatan atau efek hubungan antara variabel bebas dan variabel tergantung
PopularitasIntensi Melakukan
Bullying
Jenis Kelamin
Variabel Bebas Variabel Tergantung
Variabel Moderator
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Variabel Asing
• Variabel yang tidak menjadi fokus dari penelitian namun diprediksi memiliki peranan dalam terbentuknya variasi pada variabel bebas
• Dalam penelitian eksperimen, variabel tersebut dikontrol dengan ketat sehingga dapat dipastikan bahwa terjadinya variabel tergantung dikarenakan variasi pada variabel bebas
• Nama lain: confounding variable, extranous variable
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RANGKUMAN
Variabel Bebas Variabel Tergantung
Variabel Moderator
Variabel Mediator
Variabel Asing
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Definisi Variabel:
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DEFINISI KONSEPTUAL
• Definisi yang diturunkan dari teori dan bersifatumum.
• Review berbagai teori dan tetapkan apa definisi darivariabel yang dimaksudkan
• Di praktek penulisan skripsi definisi konseptualdituliskan sebagai summary setelah memaparkansuatu teori di bab 2
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DEFINISI OPERASIONAL• Ingaaat....bahwa psikologi banyak meneliti tema-tema yang
abstrak!!
• Pembuatan definisi operasional yang membedakan denganmetode penelitian kualitatif
• Memandu peneliti untuk merancang cara mengidentifikasikanvariabel sehingga bersifat unik untuk setiap penelitian.
• Definisi operasional yang baik memudahkan replikasipenelitian selanjutnya
• Berisi: bagaimana cara mengukur variabel, bagaimana caramenimbulkan variabel, atau bagaimana variasi dari variabel
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Buat Definisi Variabel!
• Nama Variabel: Positive Mood
• Identifikasikan definisi konseptual dan operasionalpositive mood berdasarkan penelitian:
1. http://bit.ly/2xE8JQs
2. http://bit.ly/2wVb9GM
Tips cukup membaca sampai disain penelitian saja!