?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=MENINGKATKAN+KETERAMPILAN+BERKOLABORASI+SISWA+SMA+MELALUI+PJBL-STEM+PENGOLAHAN+LIMBAH+KULIT+NANAS+MENGHASILKAN+NATA+DE+PINA&rft.creator=Hardini+Anggun%2C+Anggun&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Penelitian+ini+bertujuan+untuk+mendeskripsikan+efektivitas+PjBL-STEM+(project-based+learning-STEM)+pengolahan+limbah+kulit+nanas+dalam+meningkatkan+keterampilan+berkolaborasi+siswa+SMA.++Metode+penelitian+yang+digunakan+adalah+weak+experimental+research+dengan+the+one-shot+case+study+design.++Populasi+pada+penelitian+ini+adalah+seluruh+siswa+kelas+XI+SMA+Negeri+14+Bandar+Lampung+yang+memilih+mata+pelajaran+kimia+Tahun+Ajaran+2024%2F2025+yang+berjumlah+104+orang.++Pengambilan+sampel+pada+penelitian+ini+menggunakan+teknik+purposive+sampling.++Sampel+pada+penelitian+ini+yaitu+kelas+XI-1+sebagai+kelas+eksperimen.++Teknik+analisis+data+yang+digunakan+yaitu+menggunakan%0D%0Aanalisis+deskriptif.++Hasil+penelitian+menunjukkan+bahwa+persentase+rata-rata+keterampilan+berkolaborasi+sebesar+80%2C56%25+(kategori+sangat+baik).++Indikator%0D%0Aketerampilan+berkolaborasi+yang+memperoleh+persentase+rata-rata+skor+paling+tinggi+yaitu+indikator+menunjukkan+tanggung+jawab+sebesar+86%2C74%25+(kategori+sangat+baik)+dan+indikator+yang+memperoleh+persentase+rata-rata+skor+paling+rendah+yaitu+indikator+berkontribusi+secara+aktif+sebesar+69%2C23%25+(kategori+baik).++Persentase+rata-rata+skor+respon+siswa+terhadap+PjBL-STEM+sebesar+91%2C5%25+(kategori+sangat+baik)%2C+dan+persentase+rata-rata+skor+keterlaksanaan+PjBL-STEM+pengolahan+limbah+kulit+nanas+sebesar+77%2C5%25+(kategori+tinggi).++Rata-rata+skor+produk+olahan+limbah+kulit+nanas+yang+dibuat+oleh+seluruh+kelompok+sebesar+7%2C01+dari+skor+maksimal+8.++Berdasarkan+hasil+penelitian+yang+diperoleh+dapat+disimpulkan+bahwa+model+PjBL-STEM+pengolahan+limbah+kulit+nanas+efektif+dalam+meningkatkan+keterampilan+berkolaborasi+siswa+SMA.%0D%0A%0D%0AThis+study+aims+to+describe+the+effectiveness+of+PjBL-STEM+(Project-Based%0D%0ALearning-STEM)+in+processing+pineapple+peel+waste+to+increase+high+school%0D%0Astudents%E2%80%99+collaboration+skills.+The+research+method+used+is+a+weak+experimental%0D%0Aresearch+design+with+a+one-shot+case+study.+Population+of+this+research+are+104%0D%0Astudents+in+grade+XI+at+SMA+Negeri+14+Bandar+Lampung+who+chose+chemistry+as+a+subject+for+the+2024%2F2025.+The+sampling+techniqque+used+in+this+research+is+purposive+sampling+with+class+XI-1+as+the+experimental+class.+The+data+analysis+technique+used+was+descriptive+analysis.+The+results+showed+that+average+percentage+of+collaboration+skills+reached+80.56%25+(categorized+as+very+good)%2C+with+the+highest+average+score+found+in+the+indicator+demonstrating+responsibility+at+86.74%25+(categorized+as+very+good)%2C+and+the+lowest+in+the+indicator+actively+contributing+at+69.23%25+(categorized+as+good).+The+average+percentage+of+students+response+scores+was+91.5%25+(categorized+as+very+good)%2C+and+the+average+score+of+PjBL-STEM+implementation+was+77.5%25+(categorized+as+high).+The+average+score+of+pineapple+peel+waste+processed+products+made+by+all+groups+as+7.01+out+of+a+maximum+score+of+8.+Based+on+the+results%2C+it+can+be+concluded+that+PjBL-STEM+model+for+processing+pineapple+peel+waste+is+effective+in+increasing+high+school+students%E2%80%99+collaboration+skills.&rft.publisher=FAKULTAS+KEGURUAN+DAN+ILMU+PENDIDIKAN&rft.date=2025-04-29&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88162%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88162%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88162%2F3%2FSKRIPSI%2520FULL%2520%2528TANPA%2520PEMBAHASAN%2529.pdf&rft.identifier=++Hardini+Anggun%2C+Anggun++(2025)+MENINGKATKAN+KETERAMPILAN+BERKOLABORASI+SISWA+SMA+MELALUI+PJBL-STEM+PENGOLAHAN+LIMBAH+KULIT+NANAS+MENGHASILKAN+NATA+DE+PINA.++FAKULTAS+KEGURUAN+DAN+ILMU+PENDIDIKAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F88162%2F