This study aims to determine whether there are significant differences in stock prices and transaction volume due Covid 19 (Case at PT.Ramayana Lestari Sentosa Tbk). The data for this were taken two years before the announcement of first case covid Indonesia, namely period March 2018 - February 2020 after 2022. was processed using a paired sample t-test. results indicate that is difference betw...

This study aims to investigate the difference of financial performances public companies in Indonesia before COVID-19 outbreak and during pandemic 2019 2020. used 136 listed firms The data were tested using one sample paired t-test. findings shows that there was significant on average revenue ROA total significantly decreased pandemic. gives a new perspective measurement COVID-19. also provides...

Penelitian ini dilakukan untuk menguji pengaruh layanan bimbingan kelompok terhadap komunikasi interpersonal siswa. Jenis penelitian adalah kuantitatif. Desain one group pretest-posttest. Populasi siswa/i kelas VIII SMP Negeri 207 Jakarta. Sampel yang digunakan dalam berjumlah 10, pengambilan sampel menggunakan Teknik purposive sampling. Data diperoleh melalui angket disebarkan kepada seluruh p...

The steroid hormone testosterone (T) is a well-known mediator of male sexual behavior in vertebrates. However, less is known about T's rapid effects on sexual behavior, particularly those involving ultrasonic vocalizations (USVs), a mode of communication that can influence mate acquisition in rodents. Using the monogamous California mouse, Peromyscus californicus, we tested whether T rapidly al...

Students majoring in travel business 2 have low learning motivation. feel they do not the enthusiasm to follow lessons well so that students grades. This study examines effectiveness of positive suggestions increasing motivation SMKN 57 Jakarta. The sample this were 10th grade adolescents at Jakarta, with 12 participants. research method used was a quasi experiment one group pretest posttest de...

Salmonella sp. and Escherichia coli became contaminator bacteria that influenced the microbiological quality of beef. Environmental conditions, facilities, slaughterhouse infrastructure cause contamination. This study aimed to determine presence contamination on slaughtered beef from Binjai City Tavip Market. used a descriptive purposive sampling technique 12 samples (6 six Market). was conduct...

Objective: Head injury is a traumatic disturbance of brain function accompanied or without bleeding with sudden blow impact to the head loss consciousness. Oxygen gas component and vital element in metabolic processes maintain viability all body cells normally by inhale room air each breath. Knowing value intrapartial pressure administering non-breathing mask oxygen differences values ​​in inju...

The study aims to identify the level of accuracy correction and focus attention before after listening Holy Quran among players national shooting team, as well differences in between two measurements after. To achieve this, researcher used experimental method on a sample consisting (n = 12). Attention concentration test (d2) was measure sample. Surat Al-Raad from Quran, where player listens voi...

This study aims to see if Telegram can help students improve their speaking skills and there are statistically significant differences in performance based on gender. In a quasi-experimental study, the researcher conducted pre-test post-test evaluations of 23 male female students. Following pre-tests, three weeks activities were carried out via application. The mean standard deviation students'...

The research objectives in this article are (1) to develop an ICARE-based Geography E-Module integrated with STEM using a spatial approach, and (2) conduct trials apply the results of product development determine improvement students’ thinking skills. type used is RnD mixed analysis method. model ADDIE. design one group pretest posttest through paired sample T-test. value T-test effectiveness ...