[18F]FET PET-Guided management of pseudoprogression in glioblastoma (FET POPPING): the study protocol for a diagnostic randomized clinical trial by V.J. Ruijters, T.J. Snijders, J.A.J. van der Pol, E.M. van de Giessen, J.M. Niers, M.P.G. Broen, M.M. Anten, S.E.M. Veldhuijzen van Zanten, M. Geurts, A.I.J. Arens, D.J.H.A. Henssen, J.M. Gijtenbeek, M. van der Meulen, A.E.J. Sijben, E. Ghariq, M.J. Vos, J. Tim, I.B. Bosma, G.N. Stormezand, G.W.J. Frederix, J.W. Dankbaar, P.A. Robe, J.J.C. Verhoeff, F.Y.F.L. de Vos, M.G.E.H. Lam, R.M.T. ten Ham, N. Tolboom

Get full text

Validity and reliability of students' mathematical communication instruments in class VII middle school statistics material by Syahfira Audiwinanda, Ali Mahmudi

“…The research results show that 1) The instrument meets the content validity criteria from the material, construction and linguistic aspects based on the satisfaction of 4 expert validators, proven by calculating the V Aiken index for all valid question items. 2) All items meet the construct validity criteria. 3) The estimated reliability for all types of questions is 0.812 for multiple choice questions with an SEM of 2.5 and 0.868 for essay questions with an SEM of 2.1, so the instrument is reliable overall. 4) The distinguishing power of the good category is 87%, while the quite good category is 13%. 5) The difficulty level for the difficult category is 7%, and the medium category is 93%. 6) All alternative answers work well. 7) Final conclusion: 93% of the 16 questions on the mathematical communication ability instrument are acceptable, and 7% need to be changed. 7% (1 question) are questions with indicators connecting diagrams, graphs, tables to mathematical ideas.…”
Get full text

Using structural equation modelling to reassess bias in judging the vault event in men’s artistic gymnastics by Sai-fu Fung, Yoon-Soo Han, Arturs Mickevics

“…These scores were analysed using the structural equation modelling (SEM) technique. The SEM results indicated good model fit, χ2 (14.404) / 12 = 0.83, SRMR = 0.031, CFI = 0.998, TLI = 0.996 and RMSEA = 0.039. …”
Get full text

Eye movement parameters for performance evaluation in projection-based stereoscopic display by Chiuhsiang Joe Lin, Yogi Tri Prasetyo, Retno Widyaningrum

“…The current study applied Structural Equation Modeling (SEM) to analyze the relationship among index of difficulty (ID) and parallax on eye movement time (EMT), fixation duration (FD), time to first fixation (TFF), number of fixation (NF), and eye gaze accuracy (AC) simultaneously. …”
Get full text

Alexithymia and self-injury functions as mediators between childhood maltreatment and nonsuicidal self-injury in adolescents with major depressive disorder by Yudong Shi, Qing Zhang, Guodong Xu, Song Wang, Changhao Chen, Zhiwei Liu, Feng Geng, Jiawei Wang, Xiangfen Luo, Xiangwang Wen, Huanzhong Liu

“…The most common methods among MDD patients were cutting the skin (59.63%), pinching body parts until bleeding (60.24%), and inserting objects under the skin or nails (56.63%). SEM revealed that CM was directly associated with difficulty identifying feelings (DIF) (β = 0.439, P < 0.001) and depressive symptoms (β = 0.418, P < 0.001). …”
Get full text

TEACHING INVASIVE TEAM SPORTS IN THE SCHOOL ENVIRONMENT: FROM THEORY TO PRACTICE FROM THE PERSPECTIVE OF A HYBRID MODEL by Luciana Cristina Arantes da Costa, Juarez Vieira do Nascimento, Lenamar Fiorese Vieira

“…The evidence showed that the hybrid educational model (DM-SEM) may be feasible for the reality investigated despite the structural difficulties, representing an important alternative to traditional teaching models of team sports.…”
Get full text

Study on the Microscopic Mechanism of Spontaneous Combustion and Oxidation Kinetics of Water-Leached Coal by Naifu Cao, Gang Wang, Yuntao Liang

“…They rely on physical oxidation adsorption, scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), thermogravimetry, and oil bath heating. …”
Get full text

Neurotological symptoms and academic performance of university students Sintomas otoneurológicos e desempenho acadêmico de estudantes universitários by Marcia Mattos Marques, Mauricio Malavasi Ganança, Carolina Mattos Marques, Fernando Freitas Ganança, Heloisa Helena Caovilla

“…CONCLUSÃO: Estudantes universitários com ou sem sintomas otoneurológicos apresentaram rendimento escolar semelhante.…”
Get full text

Como as crianças de 7 a 11 anos explicam sua cefaléia How children aged 7 to 11 explain their headache by Rosana M.R. Mendonça, Yára D. Fragoso, Ricardo Diniz

“…Neste grupo de crianças de 7 a 11 anos as informações foram obtidas sem dificuldade quando se permitiu à criança que usasse suas próprias palavras, no tempo que fosse necessário.…”
Get full text

Evaluating the Acceptance and Success of Mobile Banking Systems Using a Combination of UTAUT2 and Delone & McLean Models by Novrinda Khairun Nisak, Ali Ibrahim, Ermatita

“…SemPLS is particularly useful for exploratory research and allows analysis without strict assumptions regarding data distribution. …”
Get full text

Characterization of Synthetic Brushite Material Precipitated at Room Temperature Developed for Kidney Stone Treatment by Erhan Ozkan

“…These studies were focused on synthetically obtaining Brushite. The biggest difficulty in obtaining Brushite synthetically is the execution of complex chemical and sequential processes at high temperatures. …”
Get full text

Reconhecimento olfativo nos transtornos invasivos do desenvolvimento Smell recognition in pervasive developmental disorders by Francisco B. Assumpção Jr., Samanta Adamo

“…MÉTODO: Vinte e um adolescentes do sexo masculino com TID (grupo experimental) e 21 controles pareados (grupo controle) foram submetidos a um teste olfativo padronizado, consistindo em doze estímulos, em três momentos distintos: sem nenhuma sugestão quanto à identificação; associados a quatro alternativas lingüísticas para cada estímulo; e reapresentados, 25 dias após, sem alternativas lingüísticas. …”
Get full text

Tapping the Brakes: An Exploratory Survey of Consumers’ Perceptions of Autonomous Vehicles by George D. Shows, Mathew Zothner, Pia A. Albinsson

“…Results from Partial Least Squares–Structural Equation Modeling (PLS-SEM) show that the certainty of product performance and interest are positively related to usage. …”
Get full text

Developing Instrument of Essay Test to Measure the Problem-Solving Skill in Physics by A. Aristiawan, E. Istiyono

“…The quality of developed test item is good category which the range of mean square score is 0.96 – 1.08 and the difficulty level is -0.7 to 0.41. Based on the information score function and SEM, the developed instrument was good to be implemented for the test participant with the medium ability.…”
Get full text

The influence of information literacy skills on students’ choice of competition type: A study of library visiting day competition by Indah Wijaya Antasari

“…This result implies that students with higher literacy levels tend to select competitions with higher levels of difficulty.…”
Get full text

ITEM ANALYSIS OF HIGH SCHOOL SPECIALIZATION MATHEMATICS EXAM QUESTIONS WITH ITEM RESPONSE THEORY APPROACH by Lovieanta Arriza, Heri Retnawati, Rizki Tika Ayuni

“…This estimation is also supported by the TIF with a maximum value of 3.049 at 0.08 logit ability and SEM of 0.541. Test items that have been proven to be of high quality can be used as examples in both teaching and diagnostic assessments. …”
Get full text

Synthesis of (Ti/Si) mixed oxides for the removal of Cr(VI) in simulated effluents by Gloria Maria Doria-Herrera, Nelson Andrés Ledesma, Juan Gutiérrez-Vélez, Hoover Valencia, Hector Fabio Cortés-Hernández

“…This research proposes the synthesis of a mix of silica/titanium (Si/Ti) using the rice husk as the source of silica, and titanium tetrachloride as a precursor of titanium for the removal of the Cr(VI) in simulated effluents. TGA, IR-ATR analysis, SEM, powder diffraction and fluorescence were applied to verify the efficiency of the reaction and the adsorptive capacity. …”
Get full text

Development of a Numeracy Assessment Instrument for Vocational High School (VHS) Students by Jumini Jumini, Kana Hidayati

“…The difficulty level of all items is in the range  of -2.0  to  2.0,  falling  into  the  good  category…”
Get full text

Effect of HVOF method spraying parameters on phase composition and mechanical and tribological properties of 86WC-10Co-4Cr coating by Б.К. Рахадилов, Н. Мұқтанов, Д.Н. Кәкімжанов, П. Ковалевский

“…Usually, the often subjected to the wear process surface of the valves is treated by tungsten carbide cladding to improve its durability. Because of the difficulty in applying tungsten carbide using conventional surfacing techniques, high velocity oxyfuel (HVOF) spraying technology is recommended. …”
Get full text

The Influence of Multiple Role Conflict on the Performance of Female Health Workers With Job Stress as a Mediation Variable by Muhamad Kahfi Fadilah, Sabrina Dinda Triana, Anna Suzana

“…When someone has to divide their time and energy, they may feel overwhelmed and have difficulty meeting all the demands. Conflict between these roles can cause stress, anxiety, and fatigue. …”
Get full text