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Pengaruh Latihan Kekuatan Terhadap Kemampuan Smash Dalam Permainan Bola Voli Pada Siswa SMP Negeri 10 Kota Palopo Hidayat Nurwahid; Rasyidah Jalil; Marhani Marhani
Jurnal Porkes Vol 8 No 3 (2025): Special Issue
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/porkes.v8i3.32348

Abstract

Smash ability in volleyball is greatly influenced by physical condition, especially the strength of the arm, leg, and core muscles. However, initial observations at SMP Negeri 10 Kota Palopo showed that most students still had difficulty performing smashes due to weak muscles. This study aimed to determine the effect of strength training on improving volleyball smash ability. The method used was an experiment with a one-group pretest-posttest design. The sample consisted of 30 students selected at random. The research instrument was a smash skill test that measured the accuracy and technique of the hit, with a validity of 0.85 and reliability of 0.84. The treatment given was a strength training program consisting of push-ups, squat jumps, and back-ups, which was carried out over 16 sessions with the application of the principle of progressive overload. The data were analyzed using the Shapiro-Wilk normality test, homogeneity test, and paired t-test at a significance level of 0.05. The results showed an increase in the average smash skill score from 18.03 (pretest) to 22.23 (posttest), with an increase of 4.20 points. The hypothesis test produced a significance value of 0.000 (<0.05) and a Cohen's d effect size value of 2.67 (very large effect category). Thus, strength training proved to be effective and had a significant effect on improving volleyball smash ability.
EFEKTIVITAS TEKNIK STOP THINK ACT DALAM LAYANAN KONSELING KELOMPOK UNTUK MENINGKATKAN PERILAKU ADAPTIF SISWA UPT SMPN 5 SATAP MASAMBA Lira Pirna; Abdul Kadir; Marhani Marhani
Consilium: Education and Counseling Journal Vol 6 No 2 (2026): Edisi Agustus
Publisher : Biro 3 Kemahasiswaan dan Kerjasama Universitas Abduracman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/consilium.v6i2.8937

Abstract

Perilaku maladaptif pada siswa, seperti tindakan impulsif, ketidakmampuan meregulasi emosi, dan pelanggaran aturan sekolah, menjadi kendala serius dalam lingkungan pendidikan di UPT SMPN 5 Satap Masamba. Penelitian ini bertujuan untuk menguji efektivitas teknik Stop, Think, Act (STA) dalam layanan konseling kelompok untuk meningkatkan perilaku adaptif siswa. Pendekatan kuantitatif dengan desain pra-eksperimen One Group Pretest-Posttest Design diterapkan dalam penelitian ini. Sampel dipilih menggunakan teknik purposive sampling yang terdiri dari 10 siswa laki-laki dengan skor perilaku adaptif rendah hingga sedang. Pengumpulan data menggunakan Angket Perilaku Adaptif (Skala Likert), sedangkan analisis data menggunakan uji prasyarat normalitas Shapiro-Wilk dan uji hipotesis Paired Sample t-Test berbantuan IBM SPSS. Hasil penelitian menunjukkan kenaikan skor rata-rata yang signifikan dari pre-test sebesar 61,40 menjadi post-test sebesar 101,50. Hasil uji hipotesis menunjukkan nilai Sig. (2-tailed) sebesar 0,000 (< 0,05), sehingga H0 ditolak dan H1 diterima. Kesimpulan penelitian ini menunjukkan bahwa penerapan teknik Stop, Think, Act dalam layanan konseling kelompok terbukti efektif secara signifikan dalam meningkatkan perilaku adaptif siswa