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The UCLA Loneliness Scale (ULS-20) and its short version (ULS-8) are widely used to measure loneliness. However, the question remains whether or not previous studies using the scale to measure loneliness are measuring the construct equally across countries. The present study examined the measurement invariance (MI) of both scales in Germany, Indonesia, and the United States ( N = 2350). The one-, two-, and three-factor structure of the ULS-20 did not meet the model fit cut-off criteria in the total sample. The ULS-8 met the model fit cut-off criteria and has configural, but not metric invariance because two items unrelated to social isolation were not MI. The final six items (ULS-6) exclusively related to social isolation had complete MI. Participants from the United States scored highest in the ULS-6, followed by participants from Germany and then Indonesia. We conclude that the ULS-6 is an appropriate measure for cross-cultural studies on loneliness.

Pandemik COVID-19 memiliki berdampak pada kesehatan, sosial, ekonomi, hingga psikologis. Salah satu dampak dari COVID-19 adalah panic buying. Artikel ini bertujuan mengulas panic buying melalui perspektif psikologi. Kami melakukan telaah literatur panic buying pada riset-riset terkini baik pada kasus pandemik COVID-19 hingga pandemik serupa yang terjadi pada puluhan tahun silam. Pada bagian awal, artikel ini membandingkan definisi panic buying dengan istilah serupa, seperti buying frenzies, impulsive buying, dan compulsive buying. Kemudian, kami mengulas penjelasan psikologis di balik panic buying  melalui perilaku konsumen, ketakutan dan kecemasan, stres, ketidakpastian, dan paparan media. Pada bagian terakhir, kami mengajukan beberapa solusi yang dapat dijadikan panduan kebijakan untuk mengatasi panic buying saat wabah pandemik terjadi.

No abstract

Plagiarism is a misconduct act and a scourge for science. Plagiarism perpetrators steal other author's work without citing the original references. Psychology is one of the most vulnerable sciences with plagiarism and must give more attention to this issue. Several types of plagiarism can be distinguished to the plagiarism motivation (intentional, unintentional, and inadvertent), how to do plagiarism (patchwriting, inappropriate paraphrasing, and summaries) and self-plagiarism (text recycling, redundant or duplicate publication, salami-slicing or data fragmentation). There are several reasons to do plagiarism, such as ease to get information via the internet, pressure on academic tasks, bad writing skill, hurry to write under pressure, lack of understanding how to rewrite the original reference, a misconception to understanding self-plagiarism, and habitual plagiarists. This article also presents steps to avoid plagiarism, such as avoiding "intellectual theft", doing good writing (citation and paraphrasing), and testing the similarity test (plagiarism detection service).

Although there have been many empirical studies of terrorism within the psychology literature, relatively few studies have theorized terrorism from the perspective of collective action theory. The present study aimed to understand factors that predict support for Islamist terrorism by using the Encapsulate Model of Social Identity in Collective Action (EMSICA) perspective. To extend previous studies, we added perception of threat and intergroup contact to the model. A correlational study using 66 terrorism detainees in Indonesia as participants found solid support for our expanded EMSICA. The models extending EMSICA with perception of threat and quantity of contact as predictors had improved fit indices and explained more variance in the dependent variable support for Islamist terrorism, as compared to the standard model. Social identity had a significant direct effect on support for Islamist terrorism and mediated the effect of intergroup contact, perception of threat, perceived injustice, and group efficacy on support for Islamist terrorism.

This study attempted to explain the factors that lead Muslim student activists to participate in Palestinian solidarity actions by testing the Social Identity Model Collective Action model (SIMCA, van Zomeren, Postmes, & Spears, 2008). A survey of 303 student members/administrators of Islamic organizations was conducted. The sample was obtained from more than seven Islamic-based student organizations. Collective solidarity actions were comprised of peaceful actions such as demonstrations, protests, and petition signings. The model involved two identities (politicized and religious) and two mediators (group efficacy and group-based anger). Results of the Structural Equation Modeling (SEM) analysis suggest that politicized identity, as indicated by strength of participants' affiliations with Islamic movement organizations, predicts solidarity action intention more effectively than religious identity. Other study findings demonstrated that group efficacy is a significant partial mediator of the interaction between politicized and religious identities, and collective action. Religious identity has a stronger interaction with collective action than politicized identity within the partial mediating effect of group efficacy. Meanwhile group-based anger does not influence the desire to engage in collective action either directly or as a mediator. Aksi solidaritas Palestina: Dinamika Pola Identitas Terpolitisasi dan Keagamaan pada Aktivis Mahasiswa AbstrakPenelitian ini berusaha menjelaskan faktor yang menyebabkan aktivis mahasiswa muslim ingin mengikuti aksi solidaritas Palestina melalui pengujian model Social Identity Model Collective Action (SIMCA, van Zomeren, Postmes, & Spears, 2008). Kami melakukan survei terhadap 303 mahasiswa anggota/pengurus organisasi Islam. Sampel berasal dari lebih tujuh organisasi mahasiswa berbasis agama Islam. Aksi kolektif solidaritas meliputi aksi damai seperti demonstrasi, protes, dan tanda tangan petisi. Model yang dianalisis melibatkan dua identitas (terpolitisasi dan keagamaan) dan dua mediator (efikasi kelompok dan marah berbasis kelompok). Hasil analisis Structural Equation Modeling (SEM) menemukan identitas terpolitisasi yang ditunjukkan dengan kekuatan afiliasi partisipan terhadap organisasi pergerakan Islam, ditemukan lebih memprediksi intensi aksi solidaritas daripada identitas keagamaan. Temuan lain menunjukkan bahwa efikasi kelompok signifikan menjadi mediator parsial dari interaksi antara identitas terpolitisasi dan identitas keagamaan terhadap aksi kolektif. Identitas keagamaan memiliki interaksi yang lebih kuat daripada identitas terpolitisasi pada aksi kolektif melalui efek parsial mederasi dari efikasi kelompok. Sementara emosi marah berbasis kelompok tidak memengaruhi keinginan terlibat pada aksi kolektif secara langsung maupun sebagai mediator.

In February 2021, the Myanmar military carried out a coup d'etat, which was then followed by a wave of civil protests.The present study aims to understand the support among people from Southeast Asia (specifically Indonesia) for the people of Myanmar who are fighting against a military coup.