scholarly journals JMASM 48: The Pearson Product-Moment Correlation Coefficient and Adjustment Indices: The Fisher Approximate Unbiased Estimator and the Olkin-Pratt Adjustment (SPSS)

2017 ◽  
Vol 16 (2) ◽  
pp. 540-546
Author(s):  
David A. Walker
Keyword(s):  
Correlation Coefficient ◽  
Unbiased Estimator ◽  
Pearson Product Moment Correlation

scholarly journals THE CORRELATION BETWEEN MOTIVATION BEHAVIOUR AND SPEAKING ABILITY

2019 ◽  
Vol 1 (2) ◽  
pp. 115
Author(s):  
Diki Maulana ◽  
Widya Sri Wahyuni ◽  
Detya Siregar
Keyword(s):  
Qualitative Research ◽  
Correlation Coefficient ◽  
Research Design ◽  
Story Telling ◽  
Weak Correlation ◽  
Pearson Product Moment Correlation ◽  
Speaking Test ◽  
English Students

This researchis aboutthe correlation between motivation behaviour and spekaing abilityat English Students Association. Hence, this research is aimed to find out whether or not there is a significant correlation between motivation behaviour and speaking ability at English Students Association. This research used correlation research design and qualitative research. The instrument is motivation test using questionnaire and speaking test by story telling. The population of this research is English Students Association of IKIP Siliwangi and the sample is 30 students. The data o this research is analysed using pearson product  moment correlation coefficient. The degree of correlation between two variables was low with a correlation coefficient of 0.045. the result showed that there was a weak correlation between motivation behaviour and speaking ability at English Students Association.

Effects of Scaling on the Correlation Coefficient: Additional Considerations

1978 ◽  
Vol 15 (2) ◽  
pp. 304-308 ◽  
Author(s):  
Warren S. Martin
Keyword(s):  
Normal Distribution ◽  
Correlation Coefficient ◽  
Correlation Coefficients ◽  
Bivariate Normal Distribution ◽  
Information Loss ◽  
Simulation Data ◽  
Pearson Product Moment Correlation ◽  
Bivariate Normal ◽  
Amount Of Information ◽  
Restricted Number

Distortion in the Pearson product moment correlation due to a restricted number of scale points is evaluated in two ways. First, a simulation of the bivariate normal distribution is used to estimate the effects of varying the number of scale points on the product moment correlation. This procedure demonstrates a substantial amount of information loss. Second, other correlation coefficients and some methods to correct for this loss are discussed and related to the simulation data.

scholarly journals Validity and Reliability of the Standardized Orthopedic Assessment Tool (SOAT): A Variation of the Traditional Objective Structured Clinical Examination

2014 ◽  
Vol 49 (3) ◽  
pp. 373-380 ◽  
Author(s):  
Mark R. Lafave ◽  
Larry Katz
Keyword(s):  
Correlation Coefficient ◽  
Standard Error ◽  
Clinical Competence ◽  
Concurrent Validity ◽  
Assessment Tool ◽  
Global Rating ◽  
Validity And Reliability ◽  
Pearson Product Moment Correlation ◽  
Standard Error Of Measurement ◽  
Error Of Measurement

Context: Health care professions have replaced traditional multiple choice tests or essays with structured and practical, performance-based examinations with the hope of eliminating rater bias and measuring clinical competence. Objective: To establish the validity and reliability of the Standardized Orthopedic Assessment Tool (SOAT) as a measure of clinical competence of orthopaedic injury evaluation. Design: Descriptive laboratory study. Setting: University. Patients or Other Participants: A total of 60 undergraduate students and 11 raters from 3 Canadian universities and 1 standardized patient. Intervention(s): Students were required to complete a 30-minute musculoskeletal evaluation in 1 of 2 randomly assigned mock scenarios involving the knee (second-degree medial collateral ligament sprain) or the shoulder (third-degree supraspinatus muscle strain). Main Outcome Measure(s): We measured interreliability with an intraclass correlation coefficient (ICC) (2,k) and stability of the tool with standard error of measurement and confidence intervals. Agreement was measured using Bland-Altman plots. Concurrent validity was measured using a Pearson product moment correlation coefficient whereby the raters' global rating of a student was matched to the cumulative mean grade score. Results: The ICCs were 0.75 and 0.82 for the shoulder and knee cases, respectively. Bland-Altman plots indicated no systematic bias between raters. In addition, Pearson product moment correlation analysis demonstrated a strong relationship between the overall cumulative mean grade score and the global rating score of the examinees' performances. Conclusions: This study demonstrated good interrater reliability of the SOAT with a standard error of measurement that indicated very modest stability, strong agreement between raters, and correlation indicative of concurrent validity.

scholarly journals Investigation of Strength, Flexibility and Balance Parameters with Performance Dimension in Basketball Players

2019 ◽  
Vol 8 (5) ◽  
pp. 225
Author(s):  
Ömer Özer
Keyword(s):  
Correlation Coefficient ◽  
Training Programs ◽  
Dynamic Balance ◽  
Basketball Players ◽  
Pearson Product Moment Correlation ◽  
Direction Change ◽  
The Relationship ◽  
Moderate Relationship ◽  
Performance Dimension ◽  
Coefficient Method

The aim of this study is to investigate the relationship between strength, flexibility and balance parameters of male basketball players with performance dimension. Sixteen elite basketball players participated in the study voluntarily. Leg and back strength, flexibility and static and dynamic balance parameters of the participants were examined. Pearson Product Moment Correlation Coefficient method was used to determine the relationship between performance values obtained from strength, flexibility and balance parameters. As a result of the analysis of the data obtained; between LS and BS (r = 0.676 p < 0.01), SBRL and SBB (r = 0.787 p < 0.01), SBLL and SBB and SBRL (r = 0.688 p < 0.01, r = 0.791 p < 0.01), DBB and SBB and SBRL (r = 0.775 p < 0.01, r = 0.752 p < 0.01), DBRL and SBB, SBRL, SBLL and DBB (r = 0.800 p < 0.01, r = 0.694 p < 0.01, r = 0.707 p < 0.01, r = 0.874 p < 0.01), DBLL and SBB and SBRL (r = 0.765 p < 0.01, r = 0.652 p < 0.01) are high related. Whiler there was a moderate relationship between DBB and SBLL(r = 0.610 p < 0.05), DBRL and SBRL, DBB and DBRL (r = 0.588 p < 0.05, r = 0.589 p < 0.05, r = 0.566 p < 0.05), there were no relationship between FLX and LS and BS(r = 0.430 p > 0.05, r = 0.155 p > 0.05), SDİ SBB and LS, BS and FLX (r = 0.341 p > 0.05, r = 0.388 p > 0.05, r = 0.274 p > Z0.05), SDSA SBRL and LS, BS and FLX (r = 0.103 p > 0.05, r = 0.347 p > 0.05, r = 0.167 p > 0.05), SBLL and LS, BS ve FLX (r = -0.027 p > 0.05, r = 0.237 p > 0.05, r = 0.022 p > 0.05), DBB and LS, BS ve FLX (r = 0.211 p > 0.05, r = 0.306 p > 0.05, r = 0.268 p > 0.05), DBRL and LS, BS and FLX (r = 0.268 p > 0.05, r = 0.433 p > 0.05, r = 0.281 p > 0.05), DBLL and LS, BS and FLX (r = 0.136 p > 0.05, r = 0.137 p > 0.05, r = 0.164 p > 0.05). As a result, it is thought that the basketball players’ performance will be increased by paying attention to the content of training programs due to the sudden direction change actions of basketball, which are related to strength, flexibility and balance parameters of male basketball players.

scholarly journals The correlation between students’ mastery of simple past tense and their ability in writing recount text

2021 ◽  
Vol 6 (02) ◽  
pp. 85-94
Author(s):  
Lestari ◽  
Fitri Novia ◽  
Rachmanita
Keyword(s):  
Correlation Coefficient ◽  
Sampling Technique ◽  
Past Tense ◽  
P Value ◽  
Pearson Product Moment Correlation ◽  
Tenth Grade

The goal of this study determined a relationship between students' knowledge of the simple past tense and their ability to create a recount text in tenth-grade pupils of SMA N 07 Ogan Ilir. The study's participants were all Tenth-Grade Students at SMA N 07 Ogan Ilir. A total of 86 students were present in the population. The  sample consisted of 86 students who were chosen using a total sampling technique. This investigation was carried out using correlation research. The data was administered through simple past tense mastery test and writing recount text. Pearson Product Moment correlation was employed to analyze the data.The correlation coefficient, or r-obtained (0.325), was found higher than r-table (0.176), with a p-value of 0.0020.05. It meant that learners' grasp of the simple past tense and their ability to write recount texts were related. It is possible to conclude that students' knowledge of the simple past tense has a significant impact on their ability to write recount material.

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