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All Journal Journal of Food and Pharmaceutical Science Psikohumaniora: Jurnal Penelitian Psikologi Indonesian Journal of Islamic Literature and Muslim Society
Arieff Salleh Rosman
Centre of Research for Fiqh Science and Technology (CFIRST), Universiti Teknologi Malaysia, Skudai, Malaysia.
Religion Biochemistry, Genetics & Molecular Biology Chemistry Education Immunology & microbiology Medicine & Pharmacology Public Health Social Sciences Other

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Application of chemometrics in combination with Fourier Transform Mid Infrared spectroscopy for authentication of avocado oil Lumakso, Fajar A.; Riyanto, Sugeng; SA, Shahrel Ahmad; Rosman, Arieff Salleh; Yusoff, Farahwahida Mohd.; Rohman, Abdul
Journal of Food and Pharmaceutical Sciences Vol 3, No 1 (2015): J. Food Pharm. Sci (January-March)
Publisher : Fakultas Farmasi, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.385 KB) | DOI: 10.14499/jfps

Abstract

This recent study was carried out to develop a rapid, simple, and accurate analytical method for authenticity determination of avocado oil (AO). Fourier transform-mid infrared (FT-MIR) spectroscopy technique aided with Partial Least Square (PLS) were optimized for that purpose to binary mixtures of AO with grapeseed oil (GO) and sesame oil (SeO). The calibration models were constructed at following selected MIR region with normal spectra treatment at combination 1006-902; 1191-1091; and 1755-1654 cm-1 (GO in binary mixture with AO) and 4000-650 cm-1 for analysis of SeO in binary mixture with AO. The high value of coefficient of determination (R2) of 0.9994 with low root mean square error of calibration (RMSEC) value of 0.86 %v/v was revealed in GO quantification. Meanwhile, R2 of 0.9997 with RMSEC 0.73 %v/v were obtained for analysis of SeO in binary with AO. The given value of root mean square error of pprediction (RMSEP) during model validation were 0.52 %v/v (GO) and 0.53 %v/v (SeO), respectively. The high value of R2 and low value of RMSEC and RMSEP during calibration and validation were associated with the accuracy and precision of the used method. Keywords: avocado oil, FT-MIR spectroscopy, authentication, partial least square.
Assessing adaptation of the psychometric properties of the General Health Questionnaire (GHQ-12) using the Rasch Measurement Model among Indian teenagers Ali, Syed Faraz; Khan, Aqeel; Abdul Latif, Adibah Binti; Pathath, Abdul Wahab; Shabnam, Shabnam; Asif, Mohammad; Rosman, Arieff Salleh
Psikohumaniora: Jurnal Penelitian Psikologi Vol. 8 No. 2 (2023)
Publisher : Faculty of Psychology and Health - Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/pjpp.v8i2.18077

Abstract

The General Health Questionnaire (GHQ-12) is widely accepted as an instrument used to examine diagnosable psychiatric disorders. It is also routinely used as a measure of psychological morbidity. This study aimed to assess and establish the psychometric properties of the GHQ-12 among Indian teenagers. The tool was administered to 212 adolescents aged from 12 to 18 years. Following two-stage cluster sampling, the data were collected from Aligarh district, India. Fleiss Kappa analysis was used to determine test reliability and showed an overall value of 0.94, based on the rater agreement for the instrument. Furthermore, the Rasch measurement model was used, with values of 0.79 and 0.83 for person and item reliability, respectively. Moreover, the value of unidimensionality was found to be 37.9%. Additionally, item fit statistics and item analysis were conducted for the instrument. Based on the preliminary data and findings, the study provides primary evidence for the reliability and validity of GHQ-12. Hence, the questionnaire can lead to more multi-site studies in India.
The Influence of Religious Education on Radical Religious Understanding Among Students of the State Islamic Institute: English Purwanto; Wibowo, Furqon Edi; Jandra , Mifedwil; Rosman, Arieff Salleh; Abu-Hussin, Mohd Fauzi
Indonesian Journal of Islamic Literature and Muslim Society Vol. 7 No. 1 (2022): June 2022
Publisher : UIN Raden Mas Said Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/islimus.v7i1.6528

Abstract

The aim of this research was to investigate the level of religious understanding radicalism among students of the Public Faculty and Religious Faculty, respectively. The initial hypothesis was that the level of religious understanding radicalism of the students in the Public Faculty would be higher than that of the students in the Religious Faculty. The research employed an ex post facto method and used t-test to analyze the data. The study was conducted in 2018 at the State Islamic Institute of Surakarta, an Islamic religious college in Surakarta. The research population consisted of all students from 22 departments in the academic year of 2016, totaling 10,980 people. Samples were drawn from each department, with a quota of 10 students per department, resulting in a total of 220 sample members. The data collection used a questionnaire of religious understanding radicalism, which was tested for validity and reliability. Data analysis included a sample randomness test, data normality test, and variant homogeneity test. The results showed that although the level of religious understanding radicalism was higher among students in the Public Faculty than those in the Religious Faculty, the hypothesis was not statistically proven. The study suggests that religious education cannot be solely correlated with formal education background and that students' interactions with extra campus organizations, both on and off-campus, play a significant role in shaping their religious understanding radicalism. Additionally, the religious education process in the Public Faculty at the State Islamic Institute of Surakarta could make students more moderate in their religious understanding.
Assessing adaptation of the psychometric properties of the General Health Questionnaire (GHQ-12) using the Rasch Measurement Model among Indian teenagers Ali, Syed Faraz; Khan, Aqeel; Abdul Latif, Adibah Binti; Pathath, Abdul Wahab; Shabnam, Shabnam; Asif, Mohammad; Rosman, Arieff Salleh
Psikohumaniora: Jurnal Penelitian Psikologi Vol. 8 No. 2 (2023)
Publisher : Faculty of Psychology and Health - Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/pjpp.v8i2.18077

Abstract

The General Health Questionnaire (GHQ-12) is widely accepted as an instrument used to examine diagnosable psychiatric disorders. It is also routinely used as a measure of psychological morbidity. This study aimed to assess and establish the psychometric properties of the GHQ-12 among Indian teenagers. The tool was administered to 212 adolescents aged from 12 to 18 years. Following two-stage cluster sampling, the data were collected from Aligarh district, India. Fleiss Kappa analysis was used to determine test reliability and showed an overall value of 0.94, based on the rater agreement for the instrument. Furthermore, the Rasch measurement model was used, with values of 0.79 and 0.83 for person and item reliability, respectively. Moreover, the value of unidimensionality was found to be 37.9%. Additionally, item fit statistics and item analysis were conducted for the instrument. Based on the preliminary data and findings, the study provides primary evidence for the reliability and validity of GHQ-12. Hence, the questionnaire can lead to more multi-site studies in India.
Co-Authors Abdul Latif, Adibah Binti Abdul Rohman Abu-Hussin, Mohd Fauzi Ali, Syed Faraz Fajar A. Lumakso, Fajar A. Farahwahida Mohd. Yusoff Jandra , Mifedwil Khan, Aqeel Mohammad Asif Pathath, Abdul Wahab Purwanto Shabnam, Shabnam Shahrel Ahmad SA Sugeng Riyanto Wibowo, Furqon Edi