Survival is difficult to estimate when observation periods of individuals differ in length. Students imagine sailing the Titanic and then recording whether they "live" or "die." A clever algorithm is performed which results in the Kaplan-Meier estimate of survival.

Taking more than one measurement of the same variable also hosts the possibility of contamination from error sources, both singly and in combination as a result of interactions. Therefore, although the internal consistency of scores received from measurement tools is examined by itself, it is necessary to ensure interrater or intra-rater agreement…

Purpose: To determine the differences between PT program NPTE 3-year ultimate pass rates (3YUPR) based on program length and faculty scholarship. To explore relationships between 3YUPR and quality faculty behaviors. Subjects: A total of 112 CAPTE accredited PT educational programs in the United States and Puerto Rico during 2013. Method: A…

Speech remediation by identifying those segments which compromise the quality of speech content can be performed by correctly identifying portions of a recording which can be deleted without diminishing from the overall quality of the speech, but rather improving it. Speech remediation is especially important when it is heavily disfluent as in the…

Whilst new friendships and an active social life are commonly discussed features of 'being a student', there is limited empirical research that has quantitatively studied the contribution that social factors play in students' university experience. Research that has been conducted shows that belonging and social integration are important factors…

The purpose of this quantitative study was to determine if the outcome of two different types of referendums, operating fund and construction, could be more accurately predicted by using certain predictor variables. Furthermore, if the outcome could be more accurately predicted, which predictor variables were statistically significant in that…

Latent change score models (LCS) are conceptually powerful tools for analyzing longitudinal data (McArdle & Hamagami, 2001). However, applications of these models typically include constraints on key parameters over time. Although practically useful, strict invariance over time in these parameters is unlikely in real data. This study…

A rapidly growing number of algorithms are available to researchers who apply statistical or machine learning methods to answer social science research questions. The unique advantages and limitations of each algorithm are relatively well known, but it is not possible to know in advance which algorithm is best suited for the particular research…

This report presents a review of the statistical practices of 30 journals representative of the second language field. A review of 150 articles showed a number of prevalent statistical violations including incomplete reporting of reliability, validity, non-significant results, effect sizes, and assumption checks as well as making inferences from…

Teacher retention has been studied for decades, yet it has recently assumed renewed significance due to current teacher shortages. This study was designed to determine whether teachers' job embeddedness (JE) is related to turnover. JE is found in organizational literature (Mitchell, Holtom, Lee, Sablynski, & Erez, 2001) and has been a robust…

The intention of this study was to better understand how certain aspects in a college student's life (i.e., perceived stress, styles of coping, and social support) or how combinations of these variables may contribute to higher levels of alcohol consumption. The present study examined the relationship between perceived stress, functional coping…

The aim of this study is to reveal the relation between lifelong learning tendency and achievement motivation. The sampling of the study consisted of 570 prospective teachers attending a pedagogical formation course at two universities in Turkey in 2016. Relational screening model was used in the study and the data were collected through…

Purpose: This paper aims to explore predicting employee learning activity via employee characteristics and usage for two online learning tools. Design/methodology/approach: Statistical analysis focused on observational data collected from user logs. Data are analyzed via regression models. Findings: Findings are presented for over 40,000…

Objective: This study explored maternal knowledge of pertussis and Tdap vaccine and the use of a Tdap Vaccine Information Statement (VIS) to improve that knowledge. Design: Prospective cohort study. Setting: Two outpatient obstetric clinics at a US academic medical centre. Methods: An electronic survey was administered to pregnant women who…

Adult online learners represent the largest demographic in higher education. Academic leaders increasingly use non-designer instructors (NDIs) to meet demands. NDIs have little control over course design, part of teaching presence valued by learners. This quantitative, predictive correlational study investigated (1) to what frequency online…