Garuda - Garba Rujukan Digital

Jufriadi

Universitas Putra Indonesia YPTK Padang

Author-ID : 4080139

Economics, Econometrics & Finance Education Library & Information Science Nursing Social Sciences Other

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Articles

Hubungan antara Kepercayaan Diri Dengan Kecemasan Sosial pada Narapidana Menjelang Bebas di Lembaga Pemayarakatan Klas IIA Muaro Padang Darma Syahrullah Ekajaya; Jufriadi
Psyche 165 Journal Vol. 12 (2019) No. 1
Publisher : Fakultas Psikologi, Universitas Putra Indonesia YPTK Padang

This study aims to find out and understand self-confidence with social anxiety before free prisoners at Muaro Padang IIA Class Correctional Institution. Variable Dependent in this study is self-confidence and the independent variable is social anxiety. This research is a population research.The sample in this study is prisoners who are free under the guidance of Muaro Padang Class IIA Correctional Institution, which amounts to 72 people. The research method used is quantitative research methods. Measuring instruments used are the self-confidence scale and social anxiety scale, then the data are analyzed using Pearsoncorrelation techniques Product Momentand interpreted based on theories related to the research variables. The results of this study are based on aspects - Aspects of Self Confidence according to Ghufron and Risnawita (2014) and aspects of Social Anxiety according to La Greca and Lopez (1998). Test of validity and reliability usingtechnique Cronbach's Alpha. The results of the validity coefficient on the self-confidence scale ranged from 0.300 to 0.643, while the reliability coefficient was 0.899. The results of the validity coefficient on the social anxiety scale ranged from 0.348 to 0.843, while the reliability coefficient was 0.916. The results of data analysis showed the magnitude of the correlation coefficient of -0.627 with a significant level of p = 0.000 (p <0.01) with an effective contribution of 39% and the remaining 61% was influenced by other factors. This means that there is a negative relationship between confidence in prisoners' social anxiety before being free under the guidance of Muaro Padang Class IIA Correctional Institution.

Logika Fuzzy dengan Metode Mamdani dalam Menentukan Tingkat Peminatan Tipe Motor Honda Jufriadi
Jurnal Informatika Ekonomi Bisnis Vol. 3, No. 1 (March 2021)
Publisher : SAFE-Network

Honda motorcycles are in demand by the public as a cheap means of land transportation. CV Hayati is the main motorcycle dealer company in Padang. In carrying out its activities, CV Hayati needs to consider several factors when selling motorcycles that are in demand by consumers. However, CV Hayati still uses manual means in looking at the interest in the motor that will be purchased by consumers. To solve the problem, a system is needed that can help with decision-making by consumers in purchasing motors according to their interests. In this study, the decision to buy a motor that consumers were interested in was done using the fuzzy logic of mamdani method. With the decision-making system in motor interest, it is expected to help and facilitate consumers in determining the motor they are interested in buying. The results of this study can be viewed using the PHP programming language and MySQL database, with the fuzzy logic of the mamdani method. Where in the fuzzyfication process consider several input variables namely: price, oil fuel tank capacity, engine speed, baggage capacity and vehicle weight. So that by defuzzification can be determined the recomedation of motors that are in demand by consumers.

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