The relations of migrant status and parenting to Chinese adolescents’ adjustment

2016 ◽  
Vol 41 (3) ◽  
pp. 320-328 ◽  
Author(s):  
Guangzhen Zhang ◽  
Nancy Eisenberg ◽  
Zongbao Liang ◽  
Yi Li ◽  
Huihua Deng
Keyword(s):  
Academic Achievement ◽  
Social Competence ◽  
Positive Parenting ◽  
Migrant Status ◽  
Positive Adjustment ◽  
Academic Records ◽  
Quality Of Parenting ◽  
The Stability ◽  
Migrant Adolescents

The main goals of the present study were (a) to compare Chinese migrant and nonmigrant adolescents on mean levels of parenting, positive adjustment, and academic functioning, and to assess whether socioeconomic status (SES) accounted for any obtained differences, (b) to examine whether the relations of SES and migrant status to youths’ positive adjustment were mediated by quality of parenting, and (c) to examine relations of parenting to positive adjustment across time. Three months after adolescents (254 boys and 216 girls; 281 migrant and 189 nonmigrant adolescents; M age = 12.95 years, SD = 0.91 at the first wave) entered middle school (T1), and again one (T2) and two years later (T3), adolescents, parents, and/or teachers reported on parenting, and adolescents’ positive psychological adjustment and school-related social competence, and adolescents’ academic records were obtained from schools. Migrant parents were lower than nonmigrant parents on education and positive parenting (T1, T2, and T3). Migrant adolescents were lower than nonmigrant adolescents on self-reported self-esteem and life satisfaction, academic achievement (T1, T2, and T3) and teacher-reported school-related social competence (T3); they did not differ on most variables when parents’ education was controlled. When taking into account the stability of parenting and adjustment (and including T1 SES and migrant status as predictors of T2 variables), positive parenting predicted school-related social competence and academic achievement across time.

Externalizing symptoms, effortful control, and intrusive parenting: A test of bidirectional longitudinal relations during early childhood

2015 ◽  
Vol 27 (4pt1) ◽  
pp. 953-968 ◽  
Author(s):  
Nancy Eisenberg ◽  
Zoe E. Taylor ◽  
Keith F. Widaman ◽  
Tracy L. Spinrad
Keyword(s):  
Externalizing Behavior ◽  
Externalizing Problems ◽  
Structural Equation ◽  
Effortful Control ◽  
Externalizing Symptoms ◽  
Suppression Effect ◽  
Quality Of Parenting ◽  
The Stability ◽  
Bidirectional Relations

AbstractAt approximately 30, 42, and 54 months of age (N = 231), the relations among children's externalizing symptoms, intrusive maternal parenting, and children's effortful control (EC) were examined. Both intrusive parenting and low EC have been related to psychopathology, but children's externalizing problems and low EC might affect the quality of parenting and one another. Mothers’ intrusive behavior with their children was assessed with observations, children's EC was measured with mothers’ and caregivers’ reports, and children's externalizing symptoms were assessed with mothers’, fathers’, and caregivers’ reports. In a structural equation panel model, bidirectional relations between intrusive parenting and EC were found: EC at 30 and 42 months predicted low levels of intrusive parenting a year later, controlling for prior levels of parenting and vice versa. Moreover, high levels of children's externalizing problems at both 30 and 42 months negatively predicted EC a year later, controlling for prior levels of EC. Although externalizing problems positively predicted high EC over time, this appeared to be a suppression effect because these variables had a strong negative pattern in the zero-order correlations. Moreover, when controlling for the stability of intrusive parenting, EC, and externalizing (all exhibited significant stability across time) and the aforementioned cross-lagged predictive paths, EC and externalizing problems were still negatively related within the 54-month assessment. The findings are consistent with the view that children's externalizing behavior undermines their EC and contributes to intrusive mothering and that relations between intrusive parenting and EC are bidirectional across time. Thus, interventions that focus on modifying children's externalizing problems (as well as the quality of parenting) might affect the quality of parenting they receive and, hence, subsequent problems with adjustment.

Early Social Competence and Academic Achievement: Relations Over Time

2006 ◽  
Author(s):  
Ashley C. Gibb ◽  
John E. Bates ◽  
Jackson A. Goodnight ◽  
Kenneth A. Dodge ◽  
Gregory S. Pettit
Keyword(s):  
Academic Achievement ◽  
Social Competence ◽  
Over Time

Criteria for evaluation of the coordinate measurements quality of parts geometric parameters at pilot-experimental production

2019 ◽  
pp. 3-8
Author(s):  
N.Yu. Bobrovskaya ◽  
M.F. Danilov
Keyword(s):  
Quality Indicators ◽  
Quality Management System ◽  
Technical Specification ◽  
Experimental Production ◽  
Technological Heredity ◽  
Coordinate Measurements ◽  
Reasonable Choice ◽  
The Stability ◽  
Geometric Elements

The criteria of the coordinate measurements quality at pilot-experimental production based on contemporary methods of quality management system and traditional methods of the measurements quality in Metrology are considered. As an additional criterion for quality of measurements, their duration is proposed. Analyzing the problem of assessing the quality of measurements, the authors pay particular attention to the role of technological heredity in the analysis of the sources of uncertainty of coordinate measurements, including not only the process of manufacturing the part, but all stages of the development of design and technological documentation. Along with such criteria as the degree of confidence in the results of measurements; the accuracy, convergence, reproducibility and speed of the results must take into account the correctness of technical specification, and such characteristics of the shape of the geometric elements to be controlled, such as flatness, roundness, cylindrical. It is noted that one of the main methods to reduce the uncertainty of coordinate measurements is to reduce the uncertainty in the initial data and measurement conditions, as well as to increase the stability of the tasks due to the reasonable choice of the basic geometric elements (measuring bases) of the part. A prerequisite for obtaining reliable quality indicators is a quantitative assessment of the conditions and organization of the measurement process. To plan and normalize the time of measurements, the authors propose to use analytical formulas, on the basis of which it is possible to perform quantitative analysis and optimization of quality indicators, including the speed of measurements.

Statistical Management of Food Production Processes

2020 ◽  
pp. 30-35
Author(s):  
N.A. Jurk ◽  
Keyword(s):  
Production Process ◽  
Control Chart ◽  
Food Production ◽  
Time Interval ◽  
Bakery Products ◽  
Shewhart Control ◽  
Manufactured Products ◽  
Mnemonic Technique ◽  
The Stability

The article presents scientific research in the field of statistical controllability of the food production process using the example of bakery products for a certain time interval using statistical methods of quality management. During quality control of finished products, defects in bakery products were identified, while the initial data were recorded in the developed form of a checklist for registering defects. It has been established that the most common defect is packaging leakage. For the subsequent statistical assessment of the stability of the production process and further analysis of the causes of the identified defect, a Shewhart control chart (p-card by an alternative feature) was used, which allows you to control the quality of manufactured products by the number of defects detected. Analyzing the control chart, it was concluded that studied process is conditionally stable, and the emerging defects are random. At the last stage of the research, the Ishikawa causal diagram was used, developed using the 6M mnemonic technique, in order to identify the most significant causes that affect the occurrence of the considered defect in bakery products. A more detailed study will allow the enterprise to produce food products that meet the established requirements.

scholarly journals Identifying Stabilising Effects on Survey Based Life Satisfaction Using Quasi-maximum Likelihood Estimation

2021 ◽  
Author(s):  
Johannes Klement
Keyword(s):  
Life Satisfaction ◽  
Maximum Likelihood ◽  
Maximum Likelihood Estimation ◽  
Negative Binomial ◽  
Measurement Instrument ◽  
Likelihood Estimation ◽  
Satisfaction Scale ◽  
Quasi Maximum Likelihood ◽  
The Stability

AbstractTo which extent do happiness correlates contribute to the stability of life satisfaction? Which method is appropriate to provide a conclusive answer to this question? Based on life satisfaction data of the German SOEP, we show that by Negative Binomial quasi-maximum likelihood estimation statements can be made as to how far correlates of happiness contribute to the stabilisation of life satisfaction. The results show that happiness correlates which are generally associated with a positive change in life satisfaction, also stabilise life satisfaction and destabilise dissatisfaction with life. In such as they lower the probability of leaving positive states of life satisfaction and increase the probability of leaving dissatisfied states. This in particular applies to regular exercise, volunteering and living in a marriage. We further conclude that both patterns in response behaviour and the quality of the measurement instrument, the life satisfaction scale, have a significant effect on the variation and stability of reported life satisfaction.

scholarly journals The Mediating Role of Engagement on the Achievement and Quality of Life of University Students

2021 ◽  
Vol 18 (12) ◽  
pp. 6586
Author(s):  
Inmaculada García-Martínez ◽  
José María Augusto Landa ◽  
Samuel P. León
Keyword(s):  
Quality Of Life ◽  
Academic Achievement ◽  
Life Satisfaction ◽  
Emotional Intelligence ◽  
Academic Performance ◽  
University Students ◽  
Mediational Role ◽  
The Relationship

(1) Background: Academic engagement has been reported in the literature as an important factor in the academic achievement of university students. Other factors such as emotional intelligence (EI) and resilience have also been related to students’ performance and quality of life. The present study has two clearly delimited and interrelated objectives. First, to study the mediational role that engagement plays in the relationship between EI and resilience on quality of life. Secondly, and similarly, to study the mediational role of engagement in the relationship between EI and resilience, but in this case on academic achievement. (2) Methods: For this purpose, four scales frequently used in the literature to measure emotional intelligence, resilience, academic engagement and quality of life were administered to 427 students of the University of Jaén undertaking education degrees. In addition, students were asked to indicate their current average mark as a measure of academic performance. Two mediational models based on structural equations were proposed to analyse the relationships between the proposed variables. (3) Results: The results obtained showed that emotional intelligence and resilience directly predicted students’ life satisfaction, but this direct relationship did not result in academic performance. In addition, and assuming a finding not found so far, engagement was shown to exert an indirect mediational role for both life satisfaction and academic performance of students. (4) Conclusions: The findings of the study support the importance of engagement in the design and development of instructional processes, as well as in the implementation of any initiative.

scholarly journals Quantifying the Effects of Vibration on Medicines in Transit Caused by Fixed-Wing and Multi-Copter Drones

Drones ◽  
2021 ◽  
Vol 5 (1) ◽  
pp. 22
Author(s):  
Andrew Oakey ◽  
Tim Waters ◽  
Wanqing Zhu ◽  
Paul G. Royall ◽  
Tom Cherrett ◽  
...  
Keyword(s):  
Road Transport ◽  
Uv Spectra ◽  
Frequency Spectra ◽  
Vibration Measurements ◽  
British Pharmacopoeia ◽  
Medical Products ◽  
Industry Standard ◽  
The Stability ◽  
In Transit

The concept of transporting medical products by drone is gaining a lot of interest amongst the medical and logistics communities. Such innovation has generated several questions, a key one being the potential effects of flight on the stability of medical products. The aims of this study were to quantify the vibration present within drone flight, study its effect on the quality of the medical insulin through live flight trials, and compare the effects of vibration from drone flight with traditional road transport. Three trials took place in which insulin ampoules and mock blood stocks were transported to site and flown using industry standard packaging by a fixed-wing or a multi-copter drone. Triaxial vibration measurements were acquired, both in-flight and during road transit, from which overall levels and frequency spectra were derived. British Pharmacopeia quality tests were undertaken in which the UV spectra of the flown insulin samples were compared to controls of known turbidity. In-flight vibration levels in both the drone types exceeded road induced levels by up to a factor of three, and predominant vibration occurred at significantly higher frequencies. Flown samples gave clear insulin solutions that met the British Pharmacopoeia specification, and no aggregation of insulin was detected.

scholarly journals Optical Analysis of RF Sputtering Plasma through Colour Characterization

Coatings ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 315 ◽  
Author(s):  
Ali Salimian ◽  
Roohollah Haghpanahan ◽  
Abul Hasnath ◽  
Hari Upadhyaya
Keyword(s):  
Rf Sputtering ◽  
Plasma Source ◽  
Film Coating ◽  
Chamber Pressure ◽  
Plasma Power ◽  
Plasma Sputtering ◽  
Chromaticity Index ◽  
Colour Parameters ◽  
The Stability

The photometric properties of an radio frequency (RF)-based sputtering plasma source were monitored through optical spectroscopy. The colour of the plasma source was deduced based on conventional chromaticity index analysis and it was compared to the direct spectral data plots of the emission peaks to investigate the possibility of characterising the plasma based on its specific colour and exploring the potential of defining a new method by which the plasma sputtering process can be addressed based on the plasma colour parameters. The intention of this investigation is to evaluate the possibility of simplifying the monitoring and assessment of the sputtering process for applied scientists operating plasma sputter deposition systems. We demonstrate a viable potential for this technique in terms of providing information regarding the stability of the plasma, chamber pressure, and plasma power; however, further work is underway to verify and assess a relationship between the quality of the thin film coating and the colour characteristics of the deposition plasma. Here, we only focus on the feasibility of such an approach and demonstrate interesting observations. We observed a linear relationship between the colour functions and the plasma power, while the stability of the sputtering plasma can be assessed based on the plasma colour functions. The colour functions also follow a unique pattern when the working gas pressure is increased.

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