ix

DAFTAR ISI

ABSTRAK ............................................................................................................... i

ABSTRACT .............................................................................................................. ii

LEMBAR PENGESAHAN ................................... Error! Bookmark not defined.

PERNYATAAN ORISINALITAS ........................................................................ iii

LEMBAR MOTTO ................................................................................................. v

LEMBAR PERSEMBAHAN ................................................................................ vi

KATA PENGANTAR .......................................................................................... vii

DAFTAR ISI .......................................................................................................... ix

DAFTAR TABEL .................................................................................................. xi

DAFTAR GAMBAR ............................................................................................ xii

DAFTAR LAMPIRAN ........................................................................................ xiii

BAB I ....................................................................................................................... i

A. Latar Belakang Masalah ............................................................................... i

B. Perumusan Masalah .................................................................................. 10

C. Kegunaan Penelitian.................................................................................. 11

1. Kegunaan teoritis .................................................................................... 11

2. Kegunaan praktis .................................................................................... 11

BAB II .................................................................................................................... 2

A. Deskripsi Konseptual .................................................................................. 2

1. Prestasi Belajar ......................................................................................... 2

2. Motivasi Belajar ..................................................................................... 19

3. Disiplin Belajar ....................................................................................... 24

4. Lingkungan Keluarga ............................................................................. 29

B. Hasil Penelitian yang relevan .................................................................... 33

C. Kerangka Teoritik ..................................................................................... 35

1. Pengaruh Motivasi Belajar terhadap Prestasi Belajar (X1 - Y ) ......... 35

2. Pengaruh disiplin Belajar Terhadap Prestasi Belajar (X2 - Y) ........... 37

3. Pengaruh Lingkungan Keluarga terhadap Prestasi Belajar (X3-Y) ... 39

D. Perumusan Hipotesis Penelitian ................................................................ 40

BAB III ................................................................................................................. 42

x

A. Tujuan Penelitian ...................................................................................... 42

B. Waktu dan Tempat Penelitian ................................................................... 42

C. Metode Penelitian...................................................................................... 42

D. Populasi dan Sampling .............................................................................. 44

E. Teknik Pengumpulan Data ........................................................................ 46

1. Prestasi Belajar (Y) ................................................................................ 48

2. Motivasi Belajar (X1) ............................................................................. 49

3. Disiplin Belajar (X2) .............................................................................. 53

4. Lingkingan Keluarga (X3) ..................................................................... 57

F. .Teknik Analisis Data ................................................................................ 61

1. Uji Persyaratan Analisis ......................................................................... 61

2. Uji Hipotesis ............................................................................................. 62

3. Analisis Koefisien Kolerasi .................................................................... 64

BAB IV ................................................................................................................. 42

A. Deskripsi Data ........................................................................................... 42

1. Prestasi Belajar (Variabel Y ) ................................................................. 42

2. Motivasi Belajar (X1) ............................................................................. 66

3. Disiplin Belajar ( X2) ............................................................................. 70

4. Lingkungan Keluarga (X3)..................................................................... 73

B. Pengujian Hipotesis ................................................................................... 77

1. Uji Persyaratan Analisis ......................................................................... 77

2. Analisis Persamaan Regresi ................................................................... 83

3. Analisis Koefisien Korelasi .................................................................... 87

4. Analisis Koefisien Determinasi .............................................................. 91

C. Pembahasan ............................................................................................... 92

BAB V ................................................................................................................... 66

A. Kesimpulan ............................................................................................... 66

B. Implikasi .................................................................................................. 101

C. Saran ........................................................................................................ 103

Daftar Pustaka ..................................................................................................... 106

LAMPIRAN ........................................................................................................ 111

DAFTAR RIWAYAT HIDUP ............................................................................ 171

xi

DAFTAR TABEL

Tabel III.1Teknik Pengambilan Sampel ............................................................... 46

Tabel III.2Kisi-kisi instrumen prestasi Belajar ..................................................... 48

Tabel III.3Skala Penelitian Motivasi Belajar ........................................................ 50

Tabel III.4Kisi-kisi instrumen Motivasi Belajar (X1) .......................................... 50

Tabel III.5 Skala Penilaian untuk variabel X2 ...................................................... 54

Tabel III.6 Kisi-kisi Instrumen Disiplin Belajar (X2) ........................................... 54

Tabel III.7 Skala Penilaian untuk variabel X3 ...................................................... 58

Tabel III.8 Kisi-kisi instrumen lingkungan keluarga (X3).................................... 58

Tabel IV.1 Statistik Deskriptif Prestasi Belajar ................................................... 65

Tabel IV.2 Distribusi Frekuensi Variabel Prestasi Belajar ................................... 65

Tabel IV.3 Rata-rata hitung Skor variabel Motivasi Belajar ................................ 68

Tabel IV.5 Distribusi Frekuensi Variabel motivasi belajar (X1) .......................... 69

Tabel IV.6 Statistik Deskriptif Disiplin Belajar .................................................... 71

Tabel IV.7 Rata-rata hitung skor variabel Disiplin Belajar .................................. 71

Tabel IV.8 Distribusi Frekuensi Variabel Disiplin Belajar ................................... 72

Tabel IV.9 Grafik Histogram Variabel Disiplin Belajar (X2) .............................. 73

Tabel IV.10 Statistik Deskriptif Lingkungan Keluarga ........................................ 74

Tabel IV.11 Rata-rata hitung skor variabel lingkungan keluarga ......................... 75

Tabel IV.12 Distribusi Frekuensi Variabel Lingkungan Keluarga ....................... 76

Tabel IV.13 Uji Normalitas Kolmogorov-Smirnov .............................................. 78

Tabel IV.14 Output Uji Linearitas X1 dengan Y ................................................... 81

Tabel IV.15 Output Uji Linearitas X2 dengan Y ................................................... 82

Tabel IV.16 Output Uji Linearitas X3 dengan Y .................................................. 82

Tabel IV.17 Output Analisis Regresi Linear Berganda ........................................ 83

Tabel IV.18 Output Uji Regresi Parsial (uji t) ...................................................... 86

Tabel 1V.19 Output Uji Koefisien Regresi Simultan ( Uji F) .............................. 87

Tabel IV.20 Output Uji Koefisien parsial antara X1 terhadap Y apabila X2 dan

X3 Tetap ................................................................................................................ 88

Tabel IV.21 Output Uji Koefisien parsial antara X2 terhadap Y apabila X1 dan

X3 Tetap ................................................................................................................ 89

Tabel IV.22 Output Uji Koefisien parsial antara X3 terhadap Y apabila X2 dan

X3 Tetap ................................................................................................................ 90

Tabel IV.23 Output Uji Koefisien Korelasi Simultan ........................................... 91

xii

DAFTAR GAMBAR

Gambar III.1 Konstelasi Hubungan Antar Variabel ............................................. 44

Gambar IV.1 Grafik Histogram Variabel Prestasi Belajar.................................... 66

Gambar IV.2 Statistik deskriptif Motivasi Belajar ............................................... 67

Gambar IV.3 Grafik Histogram Variabel Motivasi Belajar (X1) ......................... 70

Gambar IV.4 Grafik Histogram Variabel Lingkungan Keluarga (X3) ................. 77

Gambar IV.5 Output Normal Probability Plot ...................................................... 80

xiii

DAFTAR LAMPIRAN

Lampiran 1(surat permohonan izin melakukan penelitian) ................................ 112

Lampiran 2 (surat keterangan telah melakukan penelitian) ................................ 113

Lampiran 3(data jumlah populasi terjangkau) .................................................... 114

Lampiran 4(Instrumen uji coba Motivasi Belajar) .............................................. 118

Lampiran 5 ( Hasil Perhitungan Validitas uji coba variabel motivasi belajar) ... 121

Lampiran 6 (Hasil perhitungan uji realibitas variabel motivasi belajar) ............. 122

Lampiran 7 (Instrumen uji coba disiplin belajar) ................................................ 123

Lampiran 8( Hasil perhitungan validitas uji coba disiplin belajar) ..................... 125

Lampiran 9 ( hasil perhitungan uji realibitas disiplin belajar ) ........................... 126

Lampiran 10 ( instrumen uji coba lingkungan keluarga ) ................................... 127

Lampiran 11 (hasil perhitungan validitas uji coba lingkungan keluarga) ........... 129

Lampiran 12 ( Hasil perhitungan uji realibitas lingkungan keluarga) ................ 130

Lampiran 13 ( instrumen final variabel motivasi belajar) ................................... 131

Lampiran 14 ( Data mentah variabel motivasi belajar) ....................................... 133

Lampiran 15 ( Rata-rata hitung skor indikator motivasi belajar) ........................ 136

Lampiran 16 (Instrumen final disiplin belajar) ................................................... 137

Lampiran 17 ( data mentah variabel disiplin belajar ) ........................................ 139

Lampiran 18 ( rata-rata hitung skor indikator disiplin belajar) ........................... 142

Lampiran 19 ( Instrumen final variabel lingkungan keluarga ) .......................... 143

Lampiran 20 (data mentah variabel lingkungan keluarga ) ................................ 145

Lampiran 21 ( Rata-rata hitung skor indikator lingkungan keluarga)................. 148

Lampiran 22 ( data-rata-rata nilai rapot ) ............................................................ 149

Lampiran 23 ( rekapitulasi variabel X1,X2,X3 => Y ) ....................................... 152

Lampiran 24 ( Distribusi frekuensi motivasi belajar X1) ................................... 155

Lampiran 25 ( distribusi frekuensi variabel disiplin belajar ) ............................. 156

Lampiran 26 ( Distribusi Frekuensi Variabel lingkungan keluarga X3)............. 157

Lampiran 27 ( Tabel deskriptif statistik variabel X1, X2, X3 dan Y ) ............... 158

Lampiran 28 ( Hasil Perhitungan uji normalitas Kolmogorov-smirnov) ............ 160

Lampiran 29 ( Hasil perhitungan uji linearitas ) ................................................. 161

Lampiran 30 ( Hasil analisis Regresi Linear Berganda ) .................................... 162

Lampiran 31 ( Hasil perhitungan Uji koefisien regresi ) .................................... 163

Lampiran 32 ( Hasil Perhitungan Koefisien korelasi )........................................ 164

Lampiran 33 ( koefisien korelasi simultan (R) dan koefisien determinasi R square

) ........................................................................................................................... 166

Lampiran 34 ( Tabel r pearon product moment ) ................................................ 167

Lampiran 35 ( Tabel F ) ...................................................................................... 168

Lampiran 36 ( Tabel T ) ...................................................................................... 169

Lampiran 37 ( tabel isaac dan Michael ) ............................................................. 170