Self esteem is an individual’s assessment of his/her own abilities and evaluates himself/herself whether aperson is positive or negative, valuable or worthless. Perfectionism is someone who has too high a standard and overly worried about himself/herself being perfect and fear of failure will experience. Perfectionist feels him/her self esteem depends on the performance and results achieved. This paper aim to findout the relationship between perfectionism and self esteem in emerging adulthood students. This research is a correlational study using quantitative method of distuting quesionnaires to emerging adulthood in Jakarta area. Perfectionism questionnaire refers to Frost, Marten, Lahart, and Rosenberg, while self esteem questionnaire refers to Rosenberg. The research is using convenience sampling technique involving 429 students. The result of the study shows that adaptive perfectionism has a significant negative relationship with self esteem with r = -0.301, p = 0.000 < 0.05; maladaptive perfectionism has a significant negative relationship with self esteem with r = -0.191, p = 0.036 < 0.05; and non perfectionism has significant negative relationship with self esteem r = 0.424, p = 0.000 < 0.05. So, that the higher types of perfectionism (adaptive, maladaptive, non perfectionism), the lower student’s self esteem. This study also shows that adaptive perfectionists’GPA scores were higher than maladaptive perfectionists.

Ethnic Chinese are one of the minority groups in Indonesia who often receive discriminatory treatment. However, despite receiving continuous discrimination, the Chinese still "survive" and acculturate with other ethnic groups. The acculturation pattern has four categories (a) integration (sense of belonging to the original culture and current culture is high); (b) assimilation (sense of belonging to low native culture and high current culture); (c) separation (sense of belonging to high native culture and low current culture); (d) marginalization (sense of belonging to the original culture and current culture are all low) (Berry & Hou, 2016). This study aims to highlight the pattern of Chinese ethnic acculturation in Jakarta. The research method used is correlational quantitative method. The subjects are students at one of the universities in Jakarta, with the selection of samples using a convenience sampling technique. Data was collected using Google forms with 15-20 minutes to complete. Subjects who recognized themselves as ethnic Chinese totaled 115 people out of 277 submitted answers. The results of the study show that the national identity of all participants has a high value, meaning that the participants of this study have a national identity that does not need to be doubted. This can also be seen from each dimension that supports the national identity variable, as well as the acculturation variable which tends to be high in value. In the grouping of acculturation patterns, the most chosen is integration, which means that participants value the new culture highly, in this case, Indonesian culture and also highly value the original culture, in this case, the Chinese ethnic culture.

In the globalization era, the internet has been widely used in various ways: online shopping. Online shopping, which was initially just goods, developed into online food shopping. Online food delivery (OFD) services began to appear and develop. Of course, OFD services are influenced by various aspects in the form of factors that influence buyers to use OFD. These factors are in the form of psychological, personal, social, cultural, and economic factors. Therefore, this study aims to describe the factors that illustrate the perception of existing OFD services. This study involved 401 respondents (92 male and 309 female) aged 20-37 years. This study uses non-experimental quantitative methods with the type of descriptive research. The technical analysis of the data used in this study is the normality test. The results of this study illustrate perceptions of OFD services using various aspects in the form of factors that influence buyer behaviour with the characteristics of early adulthood participants in the Jabodetabek area. The results illustrate that perceptions of OFD services in psychological and cultural factors are high, personal factors are low, and social factors are moderate.

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The experience of Chinese indonesian discrimination often occurs because of doubts about their nationalism. This research aims to highlight this. The study was conducted in Jakarta involving 160 adolescent participants aged between 17-19 years. We collected our data through questionnaire consists of a national identity variable consisting of four dimensions, namely fundamental, instrumental, natural, actualization. Discrimination narrative variables consist of master narrative, and counter narrative. The selection of those subjects was done by means of convenience sampling technique. The result of the study found that the master narrative and counter narrative to national identity were not correlated in the Chinese group. In the non-Chinese group, only counter narrative correlated with national identity (p = 0.010 < p = 0.05), with a correlation coefficient of 0.313. National identity between Chinese and non-Chinese groups there is no significant difference. Meanwhile, master narrative and counter narrative have significant differences between Chinese and non-Chinese groups. The mean master narrative value in the Chinese group (98.90) was higher than the non-Chinese group (54.30). On the other hand, the mean counter narrative value in the Chinese group (78.18) was lower than the non-Chinese group (90.40). This means that discrimination is still felt in the Chinese group, while in the non-Chinese group it is not felt.