scholarly journals Multiple Representation-Based Learning through Cognitive Dissonance Strategy to Reduce Student’s Misconceptions in Volumetric Analysis

TEM Journal ◽  
2021 ◽  
pp. 1263-1273
Author(s):  
Hayuni Retno Widarti ◽  
Anna Permanasari ◽  
Sri Mulyani ◽  
Deni Ainur Rokhim ◽  
Habiddin Habiddin
Keyword(s):  
Cognitive Dissonance ◽  
Mixed Method ◽  
Volumetric Analysis ◽  
Mixed Method Research ◽  
Multiple Representation ◽  
Chemistry Students ◽  
Symbolic Representations ◽  
Significant Difference ◽  
Effective Reduction ◽  
The Subject

This study aimed to determine the contribution of multiple representation-based learning through cognitive dissonance strategy and to reduce misconceptions encountered by chemistry students. A mixed method research with the embedded experimental design was employed in this study involving 66 sophomore students enrolled in the Basics of Analytical Chemistry class. This study used a threetier test diagnostic test of 43 questions that had been validated by the education teams and chemists. The analysis was done by using a t-test and N-gain. The results showed a significant difference between the experimental and the control classes and a greater increase in N-gain in the experimental class (68.56%) compared to the control class (42.42%). The most effective reduction of misconceptions occurred in the subject of argentometric titration, from 33.41 to 8.79 %. This indicates that MRCD cannot completely eliminate misconceptions, especially for concepts related to sub-microscopic and symbolic representations.

scholarly journals Measuring Differential Volume Using the Subtraction Tool for Three-Dimensional Breast Volumetry: A Proof of Concept Study

2020 ◽  
pp. 155335062094556
Author(s):  
Faith Hyun Kyung Jeon ◽  
Michelle Griffin ◽  
Aurora Almadori ◽  
Jajini Varghese ◽  
Stephanie Bogan ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Computer Software ◽  
Patient Positioning ◽  
Volumetric Analysis ◽  
Volumetric Assessment ◽  
Alternative Approach ◽  
Significant Difference ◽  
Actual Volume ◽  
Novel Method ◽  
The Subject

Background. Three-dimensional (3D) photography provides a promising means of breast volumetry. Sources of error using a single-captured surface to calculate breast volume include inaccurate designation of breast boundaries and prediction of the invisible chest wall generated by computer software. An alternative approach is to measure differential volume using subtraction of 2 captured surfaces. Objectives. To explore 3D breast volumetry using the subtraction of superimposed images to calculate differential volume. To assess optimal patient positioning for accurate volumetric assessment. Methods. Known volumes of breast enhancers simulated volumetric changes to the breast (n = 12). 3D photographs were taken (3dMDtorso) with the subject positioned upright at 90° and posteriorly inclined at 30°. Patient position, breathing, distance and camera calibration were standardised. Volumetric analysis was performed using 3dMDvultus software. Results. A statistically significant difference was found between actual volume and measured volumes with subjects positioned at 90° ( P < .05). No statistical difference was found at 30° ( P = .078), but subsequent Bland–Altman analysis showed evidence of proportional bias ( P < .05). There was good correlation between measured and actual volumes in both positions (r = .77 and r = .85, respectively). Univariate analyses showed breast enhancer volumes of 195 mL and 295 mL to incur bias. The coefficient of variation was 5.76% for single observer analysis. Conclusion. Positioning the subject at a 30° posterior incline provides more accurate results from better exposure of the inferior breast. The subtraction tool is a novel method of measuring differential volume. Future studies should explore methodology for application into the clinical setting.

scholarly journals The Predictive Role of Academic Hope in Academic Procrastination Among Students: a Mixed Methods Study

Pedagogika ◽  
2020 ◽  
Vol 137 (1) ◽  
pp. 208-229
Author(s):  
Zummy Anselmus Dami ◽  
Sance Mariana Tameon ◽  
Jeheskial Saudale
Keyword(s):  
Mixed Method ◽  
Female Students ◽  
Mixed Methods Study ◽  
Academic Procrastination ◽  
Mixed Method Research ◽  
Men And Women ◽  
Significant Difference ◽  
Predictive Role ◽  
Academic Hope

The aim of the current study was to investigate the correlation of academic hope with academic procrastination; to determine the differences in the academic procrastination of both men and women; to understand why students conduct academic procrastination; and to know the academic hope of students. The study uses a mixed-method research design. The results showed that academic hope has a positive and significant correlation with academic procrastination; there is no significant difference between male and female students in any scale of academic hope and academic procrastination; the reason students conduct procrastination is “I generally delay before starting on work I have to do”; and the academic hope students are unique because it relates to God and parents.

scholarly journals An Investigation Into Learners’ Autonomy At An Institution In Vietnam

2021 ◽  
Vol 04 (10) ◽  
Author(s):  
Pham Thu Trang ◽  
Keyword(s):  
Learning Styles ◽  
Learning Style ◽  
Mixed Method ◽  
Female Students ◽  
The Self ◽  
Mixed Method Research ◽  
Significant Difference ◽  
Medium Level ◽  
The Difference ◽  
The Relationship

The study employed a mixed method research design to investigate the self-perceived levels of learners’ autonomy at the institution where the researcher works. The study also explores the teachers’ support in fostering students’ autonomy. In addition, the study attempts to determine the relationship between genders, learning styles and the learners’ levels of autonomy. The main findings reveal that the level of learners’ autonomy where the study was conducted was at medium level (M = 2.66 out of 5.0 scale). In terms of the students’ perception of their teachers’ roles in fostering students’ autonomy, the finding of the current study reveals that it was quite supportive (M = 3.29 out of 5.0 scale). The finding also indicated that the difference in level of autonomy is not significant between male and female students (M = 2.667 for male compared with M = 2.668 for female students). Finally, the result showed that there a statistically significant difference in the levels of autonomy between students with different learning styles. To be specifically, the students who prefer kinesthetic learning style possess the highest level of autonomy (M = 2.75) compared with M = 2.60 and 2.59 for visual and individual learning style students. M=2.72; M=269 and M=2.62 are the level of autonomy for group, tactile and auditory students respectively.

scholarly journals UNDERGRADUATE STUDENTS’ MISCONCEPTION ON ACID-BASE AND ARGENTOMETRIC TITRATIONS: A CHALLENGE TO IMPLEMENT MULTIPLE REPRESENTATION LEARNING MODEL WITH COGNITIVE DISSONANCE STRATEGY

2017 ◽  
Vol 9 (2) ◽  
pp. 105 ◽  
Author(s):  
Hayuni Retno Widarti ◽  
Ana Permanasari ◽  
Sri Mulyani
Keyword(s):  
Cognitive Dissonance ◽  
Undergraduate Students ◽  
Prospective Teachers ◽  
Representation Learning ◽  
Choice Test ◽  
Multiple Choice Test ◽  
Acid Base ◽  
Multiple Representation ◽  
Symbolic Representations ◽  
Acid Base Titration

The study was conducted to map the misconception pattern of chemistry prospective teachers who learned acid-base and argentometric titration. Further, it attempts to minimize misconception through a multiple representation model of learning chemistry with cognitive dissonance strategy. The first treatment was done on acid-base titration and the second treatment on argentometric titration materials. The multiple choice test with open reasons was administered to 30 undergraduate students. The finding shows that 28.6% students have the same pattern of misconception while learning in both of the courses. After the treatment, misconception decreased to 9.5% on the first treatment, and 9.4% on the second treatment. The model was found to be suitable to decrease the misconception, but could not change the misconception into “zero misconception”, especially for microscopic and symbolic representations.

scholarly journals Examining the impact of video feedback on instructor social presence in blended courses

2014 ◽  
Vol 15 (3) ◽  
Author(s):  
Jered Borup ◽  
Richard E. West ◽  
Rebecca Thomas ◽  
Charles R. Graham
Keyword(s):  
Educational Technology ◽  
Blended Learning ◽  
Social Presence ◽  
Mixed Method ◽  
Video Feedback ◽  
Mixed Method Research ◽  
Teacher Interviews ◽  
Blended Courses ◽  
Significant Difference ◽  
The Impact

<p>This mixed method research examined instructors’ use of video feedback and its impact on instructor social presence in 12 blended sections of three preservice educational technology courses. An independent samples <em>t</em>-test was conducted and found no significant difference in perceptions of instructor social presence between students who received video feedback (<em>M</em> = 5.77, <em>SD</em> = 0.85) and those who received text (<em>M</em> = 5.62, <em>SD</em> = 0.75); <em>t</em>(178) = 1.23, <em>p</em> = 0.22. The analysis of 22 student and nine teacher interviews found that participants generally viewed video feedback to be more effective at establishing instructor social presence because instructors could better speak with emotions, talk in a conversational manner, and create a sense of closeness with students. Students also explained that the blended learning format lessened the impact of video feedback on instructor social presence, which may help to explain why statistical differences were not found.</p>

scholarly journals Children’s Digital Game Addiction and Opinions About Their Parents’ Playing Digital Games ( A Mixed Method Study)

2018 ◽  
Vol 7 (1) ◽  
pp. 85 ◽  
Author(s):  
Zekihan Hazar
Keyword(s):  
Mixed Method ◽  
Family Relations ◽  
Digital Games ◽  
Educational Status ◽  
Game Playing ◽  
Mixed Method Research ◽  
Digital Game ◽  
Game Addiction ◽  
Significant Difference ◽  
High Level

The purpose of this research is to review the level of children's digital game playing addiction and to evaluate their opinions on the parents playing digital games. In the 2017-2018 academic year, the students of the Şehit Ramazan Konuş secondary school affiliated to the Niğde Provincial Directorate of National Education constitute the universe of the research. 246 students who were chosen according to the method of typical case sampling constituted the sampling of the research. "Mixed method research" has been adopted as a research model and "Explanatory Design" has been used as a mixed method research design.In this direction; the "Digital Game Addiction Scale for Children" developed by Hazar and Hazar was applied in 2017 in the quantitative part of the study. In the qualitative section, interviews were made with 14 participants, 7 females and 7 males, who had high level of addiction and who regularly played digital games, participated in the research voluntarily. The data were analyzed by content analysis and descriptive analysis.The data obtained for the study were analyzed primarily through the SPSS 24 packet program. According to the results of this analysis, participants were found to have statistically significant difference in gender, age, and parents’ playing and not playing digital games, while it was seen that there was no statistically significant difference. Whether they had a sportsman license, whether or not internet access was available at their residence, and parents' educational status variables In the qualitative analysis of the research, 8 themes and sub-themes related to this theme were formed.As a result; it is a striking result that the dependency of the participants with digital game playing parents and weak family relations is higher than the other participants. The high level of addiction of the participants with an athlete license is a noteworthy finding.

scholarly journals The Student Factor Analysis Choosing Biology as A Options Subject of Computer-Based National Examination

2019 ◽  
Vol 8 (2) ◽  
pp. 217-225
Author(s):  
Ratna Dewi Puspitasari ◽  
Ratna Dewi Puspitasari ◽  
Bambang Priyono ◽  
Saiful Ridlo
Keyword(s):  
Mixed Method ◽  
School Environment ◽  
Sampling Technique ◽  
Dominant Factor ◽  
Mixed Method Research ◽  
National Examination ◽  
Computer Based ◽  
Environment Perception ◽  
The Subject

This study aims to analyze the factors that influence learners in choosing Biology as the subject of choice of UNBK and analyze the most dominant factor in influencing learners choose Biology as the preferred subject of UNBK. This research is a mixed method research using sequential mix method with qualitative-quantitative sequential explanatory strategy. The population in this study are students of science majors class XII who choose Biology in SMA N 1 Pecangaan and SMA N 1 Jepara, amounting to 208 learners. The technique of sampling data using random sampling technique. Determination of the number of samples using Isaac and Michael formula with a 95% confidence level, so that obtained at least 131 samples from 208 members of the population. The results of this study indicate: (1) There are 9 factors that influence the Friends and Parents, Interests and Motivation, Ideals and Profession of Parents, Ability, Teacher and Parents, School Environment, Perception, and Interest and Achievement. The most dominant factor affecting is Friends and Parents with an eigenvalue of 6,922 which can explain the variant variation of 24.723% of cumulative variance percentage of 71,675%.

scholarly journals The Correlation Between Student Perceptions of the Use of E-Modules with Students' Basic Science Process Skills

2020 ◽  
Vol 9 (4) ◽  
pp. 719
Author(s):  
Darmaji Darmaji ◽  
Dwi Agus Kurniawan ◽  
Astalini Astalini ◽  
Febrina Rosa Winda ◽  
Heldalia Heldalia ◽  
...  
Keyword(s):  
Student Perceptions ◽  
Mixed Method ◽  
Physics Education ◽  
Basic Science ◽  
Student Perception ◽  
Pearson Correlation ◽  
Process Skills ◽  
Mixed Method Research ◽  
Science Process Skills ◽  
The Subject

This study aims to analyze the correlation of students' perceptions of e-module toward students' basic science process skills. The subject of the study were second semester students of Department of Physics Education in Universitas Jambi. This research used a mixed-method research with data collection instruments consisting of student perception questionnaire, observation sheet of students' science process skills, and also interviews. From the results of data analysis, students' perceptions were in the good category with an average of 74.95, and the basic science process skills of students were also in the good category with an average of 69.08. Based on the correlation test conducted there is a significant relationship between the level of student perception of e-module with students’ basic science process skills using Pearson correlation values 0,927, and Sig. (2-tailed) 0.00 at a significance of 1%.

The Effectiveness of Jurisprudential Inquiry Learning Model in Developing the Students’ Competence in Writing Analytical Exposition Texts

2017 ◽  
Vol 7 (11) ◽  
pp. 990
Author(s):  
Farikah Farikah
Keyword(s):  
Mixed Method ◽  
Qualitative Data ◽  
Inquiry Learning ◽  
Learning Model ◽  
English Department ◽  
Mixed Method Research ◽  
Writing Test ◽  
The Subject ◽  
Academic Year ◽  
Depth Interviews

The purposes of this exploratory mixed method research are to describe the implementation of Jurisprudential Inquiry Learning Model in  developing  the students’ competence in writing analytical exposition texts and the students’ motivation in learning writing. The subject of this study is the fifth semester students of English Department of Tidar University in 2016/2017 academic year. This study  employed in-depth interviews, and on-site observation in collecting the data of the effectiveness of this model in developing the students’ motivation in learning writing. In addition to that, the writer used writing test of analytical exposition text to know the improvement of the students’ writing skill. Following Milles and Hubberman’s theory (1994: 10-11), the writer analyzed the qualitative data through data reduction, data display, conclusion and verification. For the quantitative data, the writer used descriptive statistics. The triangulation was employed in checking the validity of the data. The results show that the implementation of Jurisprudential Inquiry Learning Model is an effective way to develop the students’ motivation in learning writing. Besides, it develops the students’ competence in  writing analytical exposition text.

scholarly journals A Comparative Study on Group-Based Learning Using STAD and SGD Toward Students’ Writing Achievement of Descriptive Text

2018 ◽  
Vol 7 (1) ◽  
pp. 56
Author(s):  
Sri Wahyuni
Keyword(s):  
Comparative Study ◽  
Mixed Method ◽  
Average Score ◽  
Writing Achievement ◽  
Significant Difference ◽  
Tenth Grade ◽  
Post Test ◽  
The Subject ◽  
Academic Year ◽  
Better Than

This study discusses a comparative study of group-based learning method between STAD and SGD toward students’ writing achievement of descriptive text on the tenth grade of SMK SalafiyahKajen in the academic year of 2017/2018. The purpose of the study was to differentiate those two methods, which were then found the appropriate method between STAD and SGD for learning writing skill. This study used a mixed method by using comparative design. The subject of this study were the students at the tenth grade of SMK SalafiyahKajen, students’ class RPL 2 and TB. The students from both of the class had different treatment which RPL 2 was treated using SGD and TB was treated using STAD. The technique of data collection was a test, observation, and documentation. The test consisted of two tests; they were pre-test and post-test. After collecting the data, it was found that the average score of pre-test of SGD group was 50.06 and for STAD group was 47.75; meanwhile, the average score of post-test of SGD group was 68.70 and for STAD group was 63.10. So, the computation of t count was 5.031, and the t table was 1.69. The t count was higher than t table, which stated that Ha was accepted. It meant that there was a significant difference between students' writing achievement which was taught by using STAD and SGD. The conclusion defined that SGD was better than STAD to be applied in learning writing.

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