Problem-solving is one of the 21st-century skills. However, students still have difficulty solving sequences and series word problems. The purpose of this research is to analyze students' errors in solving sequences and series word problems based on problem-solving steps of Polya. The research method is descriptive qualitative. The research…

There have been many studies on first language interference towards learners' second or foreign language learning, but not many on the otherwise. This study investigates the effects of learning Japanese as a foreign language towards learners' first language use, Indonesian. The data for this qualitative study were obtained from five Japanese…

The article discusses the quality of language exploitation performed by the students of the English Language Study Program in the City of Tulungagung in writing English text stories. The data was collected for 4 months, starting May up to August 2020 in IAIN Tulungagung campus in the sense of data collection, through the observation. This study…

Literature occupies unique position in the society and it has high status in the civilized community. Each ethnic group has unique culture and the culture presents a variety of literary works. Literary works deliver social messages to build harmony in the society. One of the genres of literary works that has vital role in our society is poetry.…

This article was written based on the results of a study evaluating students' errors in problem solving of permutation and combination in terms of problem solving steps according to Polya. Twenty-five students were asked to do four problems related to permutation and combination. The research results showed that the students still did a mistake in…

This study was aimed at identifying the kinds and frequency of formal errors on Indonesian English as a Foreign Language (EFL) learners' descripting writing. Therefore, descriptive analysis research design was implemented to achieve the objective. The data were collected from the descriptive writing of university students in Indonesia (N = 40).…

This study aims to reveal the fragmentation of thinking structure's students in solving the problems of application definite integral in area. Fragmentation is a term on the computer (storage) that is highly relevant correlated with theoretical constructions that occur in the human brain (memory). Almost every student has a different way to…

This experimental research examines: (1) significant differences of corrections on grammar, sentence variety and developing details on the quality of the essay by Indonesian learners; and (2) different effect of corrections on grammar, sentence variety, and developing details on the quality of the essay. Treatments for each were served as follows:…

The purpose of this article is to describe the process of a proof construction. It is more specific on the failure of the process. Piaget's frameworks, assimilation and accommodation, were used to analyze it. Method of this research was qualitative method. Data were collected by asking five students working on problems of proof using think aloud…

The aim of this study was to analyze the geography text book for: (1) identify and describe the errors in the organization of geography textbooks, and (2) identify and describe the content of the textbook standard errors of geography. The text book is currently being used by teachers of Senior High School in East Java. To analyze the contents of…

This study aimed at investigating linguistic errors committed by students majoring in Non-English Department in writing English composition. A total of 20 first year students at Economic College IBBI Medan who have taken an English subject course were involved in this study. Their compositions were analyzed for the purpose of scrutinizing…

This article aims at studying pseudo construction of student thinking in mathematical concepts, integer number operation, algebraic forms, area concepts, and triangle concepts. 391 junior high school students from four districts of East Java Province Indonesia were taken as the subjects. Data were collected by means of distributing the main…

Based on the findings of an error analysis revealing that Indonesian ninth- and tenth-graders had difficulties in solving context-based tasks, we investigated the opportunity-to-learn offered by Indonesian textbooks for solving context-based mathematics tasks and the relation of this opportunity-to-learn to students' difficulties in solving these…

The fact that there is no much study on reversibility is one of reason this study was conducted. Others, the importance of reversibility is also being researcher's motivation for focusing pupils' reversibility. On the other hand, the concern on pupils' reversibility is a major concern. The objective of this research is to identify errors done by…

To investigate student difficulties in solving word problems in algebra, we carried out a teaching experiment involving 51 Indonesian students (12/13 year-old) who used a digital mathematics environment. The findings were backed up by an interview study, in which eighteen students (13/14 year-old) were involved. The perspective of mathematization,…