scholarly journals Sets of Marginals and Pearson-Correlation-based CHSH Inequalities for a Two-Qubit System

2021 ◽  
Author(s):  
Yuwen Huang ◽  
Pascal O. Vontobel
Keyword(s):  
Pearson Correlation ◽  
Qubit System ◽  
Chsh Inequalities

Reliability of the Minimum Masking Level as Outcome Variable in Tinnitus Clinical Research

2020 ◽  
Vol 29 (3) ◽  
pp. 429-435
Author(s):  
Patricia C. Mancini ◽  
Richard S. Tyler ◽  
Hyung Jin Jun ◽  
Tang-Chuan Wang ◽  
Helena Ji ◽  
...  
Keyword(s):  
Standard Deviation ◽  
High Frequency ◽  
Pearson Correlation ◽  
Correlation Coefficients ◽  
Outcome Variable ◽  
Reliable Estimate ◽  
Moderate Correlation ◽  
Trained Subjects ◽  
The Relationship ◽  
Minimum Intensity

Purpose The minimum masking level (MML) is the minimum intensity of a stimulus required to just totally mask the tinnitus. Treatments aimed at reducing the tinnitus itself should attempt to measure the magnitude of the tinnitus. The objective of this study was to evaluate the reliability of the MML. Method Sample consisted of 59 tinnitus patients who reported stable tinnitus. We obtained MML measures on two visits, separated by about 2–3 weeks. We used two noise types: speech-shaped noise and high-frequency emphasis noise. We also investigated the relationship between the MML and tinnitus loudness estimates and the Tinnitus Handicap Questionnaire (THQ). Results There were differences across the different noise types. The within-session standard deviation averaged across subjects varied between 1.3 and 1.8 dB. Across the two sessions, the Pearson correlation coefficients, range was r = .84. There was a weak relationship between the dB SL MML and loudness, and between the MML and the THQ. A moderate correlation ( r = .44) was found between the THQ and loudness estimates. Conclusions We conclude that the dB SL MML can be a reliable estimate of tinnitus magnitude, with expected standard deviations in trained subjects of about 1.5 dB. It appears that the dB SL MML and loudness estimates are not closely related.

FACTORS ASSOCIATED WITH SCHOOL REFUSAL BEHAVIOUR IN PRIMARY SCHOOL STUDENTS

2019 ◽  
pp. 1-13
Keyword(s):  
Primary School ◽  
Primary Schools ◽  
Pearson Correlation ◽  
School Refusal ◽  
Self Report ◽  
Primary School Students ◽  
School Students ◽  
School Factors ◽  
School Refusal Behavior ◽  
Factors Associated

The aim of this study was to identify the factors associated with school refusal behavior in primary school students. Student’s self-report and teacher’s measures were implemented; and students were recruited from 20 primary schools in six districts in Selangor, Malaysia. The survey was conducted at the end of school term in 2016, with a total of 915 students from Year 4 and Year 5 participating. The sample of students had been absent from school for more than 15% of school days in the current year. Pearson correlation shows a significant relationship between academic achievement and school satisfaction toward school refusal behavior. The findings of this study suggest that academic difficulties and dissatisfaction towards school environment could be the important risk factors for school refusal behavior. The present study underscores the importance of early detection and intervention as measures to reduce school refusal. Finally, the findings imply that the role of school factors should always be taken into account in connection with school refusal behaviour.

Pengaruh Kotbah, Musik Gereja Dan Fasilitas Gereja Terhadap Tingkat Kehadiran Jemaat

2016 ◽  
Vol 1 (1) ◽  
pp. 1-15
Author(s):  
Frederich Oscar Lontoh
Keyword(s):  
Regression Analysis ◽  
Multiple Regression Analysis ◽  
Church Music ◽  
Pearson Correlation ◽  
Descriptive Analysis ◽  
Target Population ◽  
The Other ◽  
Pearson Correlation Coefficient ◽  
Christian Church ◽  
The City

This research is titled " The influence of sermon, church music and church facilities on the level of attendance”. The purpose of research is to identify and analyze whether sermon, church music and church facilities have influence on the the level of attendance. The target population in this study is a Christian church members who live in the city of Surabaya.. Sample required is equal to 47 respondents. Through sampling stratified Random techniques.These influence was measured using Pearson correlation coefficient and multiple regression analysis, t-test and analysis of variance. Descriptive  analysis  were taken to analyze the level of attendance according to demographic groups.The hypothesis in this study are the sermon, church music and church facilities have positive and significant on the level of attendance. The results showed that collectively, there are positive and significant correlation among the sermon, church music and church facilities on the level of attendance  96,2%. It means that 96,2 % of level of attendance influenced by sermon, church music and church facilities and the other 28,9% by others. All of the variable partially have significant correlation to level of attendance.

Customer Satisfaction on e-SERVQUAL in Islamic Online Banking Services

2017 ◽  
Vol 3 (2) ◽  
pp. 29
Author(s):  
NURHAZIRAH HASHIM ◽  
MOHAMMAD ZAIM MOHD SALLEH ◽  
NOR SARA NADIA MUHAMAD YUNUS ◽  
INTAN SYAFINAZ MAT SHAFIE
Keyword(s):  
Customer Satisfaction ◽  
Consumer Satisfaction ◽  
Pearson Correlation ◽  
Business Environment ◽  
Online Banking ◽  
Security And Privacy ◽  
Accurate Information ◽  
Online Services ◽  
Banking Services ◽  
Customer Information

The recent development in the ecommerce services has shown a variety of established companies participating in the web business environment including Islamic banks. Business with the mostexperience and success in using ecommerce are beginning to realize that the indicator of success or failure of the ecommerce environment was included in the online services. Nowadays, the trend ofa business is to serve the customer with best quality of services to enhance the consumer satisfaction and compete with the global competitors as online services enabled registered user to make productspurchase transaction only through website such as check and manage financial standing, transfer funds, bill payment, prepaid reload and so forth. However, in recent times, Islamic banking users faced problems with the online system such as cannot log in to the system, payment failure and  mostly security and privacy hindrance. Therefore, this study aimed to investigate the relationship between electronic service quality (e-SERVQUAL) and customer satisfaction towards IslamicOnline Banking Services users. Based on the sample size, only 76 respondents were selected to participate in this study by using a convenience sampling. Further, Pearson correlation and multipleregression were reported to analyze the mentioned relationship. The findings have shown that there is a positive relationship between e-SERVQUAL and customer satisfaction in using Islamic onlinebanking services. Based on the findings, Islamic online banking developer is recommended to improve more on their responsiveness in order to provide quick response to their customer’s requirements.  Moreover, they also should be more reliable in providing accurate information in performing the promised services. They must assure that all of their customers can quickly get responds and true feedback regarding their problems to ensure customer satisfy with service provided. Besides, the safety of the website and the protection of customer information alsoconsidered a vital action that should be concerned in order to increase the customers’ satisfaction.

Comparative Responses to Squats Completed with Free Weights and an Exoskeleton

2020 ◽  
Vol 4 (1) ◽  
pp. 51-63
Author(s):  
Peter Neuhaus ◽  
Chris Jumonville ◽  
Rachel A. Perry ◽  
Roman Edwards ◽  
Jake L. Martin ◽  
...  
Keyword(s):  
Data Collection ◽  
Female Athletes ◽  
Pearson Correlation ◽  
Correlation Coefficients ◽  
Actual Data ◽  
Limited Data ◽  
Comparative Similarity ◽  
Insufficient Amount ◽  
Force Data ◽  
Familiarization Session

AbstractTo assess the comparative similarity of squat data collected as they wore a robotic exoskeleton, female athletes (n=14) did two exercise bouts spaced 14 days apart. Data from their exoskeleton workout was compared to a session they did with free weights. Each squat workout entailed a four-set, four-repetition paradigm with 60-second rest periods. Sets for each workout involved progressively heavier (22.5, 34, 45.5, 57 kg) loads. The same physiological, perceptual, and exercise performance dependent variables were measured and collected from both workouts. Per dependent variable, Pearson correlation coefficients, t-tests, and Cohen's d effect size compared the degree of similarity between values obtained from the exoskeleton and free weight workouts. Results show peak O2, heart rate, and peak force data produced the least variability. In contrast, far more inter-workout variability was noted for peak velocity, peak power, and electromyography (EMG) values. Overall, an insufficient amount of comparative similarity exists for data collected from both workouts. Due to the limited data similarity, the exoskeleton does not exhibit an acceptable degree of validity. Likely the cause for the limited similarity was due to the brief amount of familiarization subjects had to the exoskeleton prior to actual data collection. A familiarization session that accustomed subjects to squats done with the exoskeleton prior to actual data collection may have considerably improved the validity of data obtained from that device.

Comparison of two asynchronous QCT methods

2020 ◽  
Vol 24 (4) ◽  
pp. 108-118
Author(s):  
A. V. Petraikin ◽  
A. K. Smorchkova ◽  
N. D. Kudryavtsev ◽  
K. A. Sergunova ◽  
Z. R. Artyukova ◽  
...  
Keyword(s):  
Bone Densitometry ◽  
Pearson Correlation ◽  
Calibration Data ◽  
Mineral Density ◽  
Quantitative Ct ◽  
Short Period ◽  
Potassium Hydrogen ◽  
Patients At Risk ◽  
Ray Density ◽  
The Difference

Rationale. Quantitative CT (QCT) bone densitometry with asynchronous calibration not require a phantom during the scan procedure. Based on calibration data it converts X-ray density in HU to bone mineral density (BMD). Given the large number of CT studies performed on patients at risk of osteoporosis, there is a need for a hands-on method capable of assessing BMD in a short period of time without tailored software or protocols.Goal. To develop a method for QCT bone densitometry using an PHK (PHantom Kalium), to compare the volume BMD measurements with the QCT data with asynchronous calibration provided by software from a reputable developer.Methods. The studies were performed at 64-slice CT unit with body scanning parameters. The BMD was measured using two techniques: 1) QCT with asynchronous calibration using software from a reputable developer; 2) QCT using a PHK phantom (QCT-PHK). For convert the HU to BMD values, we scanned the PHK phantom and calculate correction factor. Phantom contains “vertebrae” filled with potassium hydrogen phosphate in different concentrations. In both methods, the BMD values measured for LI–II, and sometimes for ThXII, LIII.Results. The study enrolled 65 subjects (11 male and 54 female patients); median age 69.0 years. A comparison of the vertebrae BMD measured by QCT and QCT-PHK revealed a significant linear Pearson correlation r = 0.977 (p < 0.05). The Bland–Altman analysis demonstrated a lack of relationship between the difference in measurements and the average BMD and a systematic BMD; bias of +4.50 mg/ml in QCT vs. QCT-PHK. Differences in the division into groups osteoporosis / osteopenia / norm according to the ACR criteria for the two methods were not significant.Conclusion. The developed asynchronous QCT-PHK method measure BMD comparable to the widely used QCT with asynchronous calibration. This method can be used for opportunistic screening for osteoporosis.

Leader-Member Exchange (LMX) Impact on Work-Home Interference in a South African Commuter Transport Engineering Company

2019 ◽  
Vol 43 ◽  
Author(s):  
Jan Christoff Visagie ◽  
Michael M. Jones ◽  
Herman L. Linde
Keyword(s):  
South African ◽  
Structural Equation ◽  
Pearson Correlation ◽  
Correlation Coefficients ◽  
Leader Member Exchange ◽  
Negative Consequences ◽  
Dyadic Relationship ◽  
Cross Sectional ◽  
Engineering Company ◽  
Member Exchange

The South African workplace is confronted with many leadership challenges, specifically those relating to the employment relationship between subordinates and their supervisors. A high-quality relationship is essential, considering the work-family spillovers employees experience. Limited research has been conducted on the potential positive and negative consequences of the leader-member exchange (LMX) dyadic relationship. In this study, we used a cross-sectional research design, and drew an employee sample (N = 120) from a commuter transport engineering company. A five-point Likert scale was employed and statistical analyses were carried out using the SAS statistical program. We calculated Pearson correlation coefficients and used structural equation modelling to test the proposed conceptual model to indicate possible correlations between the different variables. The main finding of the study was that the nature of the LMX relationship quality in the relevant company appeared to be high and positively related to work-home enrichment but negatively related to work-home conflict and role overload. The article concludes by making a number of suggestions to respond to challenges.

Knowledge and Communication of the National Core Standards Tool

2018 ◽  
Vol 20 (2) ◽  
Author(s):  
Winnie Thembisile Maphumulo ◽  
Busisiwe Bhengu
Keyword(s):  
Pearson Correlation ◽  
Healthcare Delivery ◽  
Healthcare Providers ◽  
Sampling Technique ◽  
Quality Of Healthcare ◽  
Survey Study ◽  
Public Healthcare ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Professional Nurses

The National Department of Health in South Africa has introduced the National Core Standards (NCS) tool to improve the quality of healthcare delivery in all public healthcare institutions. Knowledge of the NCS tool is essential among healthcare providers. This study investigated the level of knowledge on NCS and how the NCS tool was communicated among professional nurses. This was a cross-sectional survey study. Purposive sampling technique was used to select hospitals that only offered tertiary services in KwaZulu-Natal. Six strata of departments were selected using simple stratified sampling. The population of professional nurses in the selected hospitals was 3 050. Systematic random sampling was used to recruit 543 participants. The collected data were analysed using SPSS version 25. The study showed that only 16 (3.7%) respondents had knowledge about NCS, using McDonald’s standard of learning outcome measured criteria regarding the NCS tool. The Pearson correlation coefficient between the communication and knowledge was r = 0.055. The results revealed that although the communication scores for the respondents were high their knowledge scores remained low. This study concluded that there is a lack of knowledge regarding the NCS tool and therefore healthcare institutions need to commit themselves to the training of professional nurses regarding the NCS tool. The findings suggest that healthcare institutions implement the allocation of incentives for nurses that attend the workshops for NCS.

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