A critical objective for applications of multivariable regression analysis is evaluation of both substantive importance and statistical significance, yet many articles focus excessively on inferential statistical tests at the expense of substantive issues. I demonstrate approaches for writing clear sentences to interpret the real-world meaning of estimated coefficients from ordinary least squar...

The porosity content in composite material is known to innuence the strength of the material. It is therefore of interest to monitor the porosity contents during manufacturing. Since attenuation and porosity are related, traditional porosity determination in composites is performed as attenuation measurements using ul-trasonic tone burst through-transmission. In this paper we propose a multivar...

An attempt has been made in this paper to investigate the effect of particle size distribution on coal flotation kinetics. The effect of particle size (Ps) on kinetics constant (k) and maximum theoretical flotation recovery (RI) was investigated while other operational parameters were kept constant. The relationship between flotation kinetics constant and theoretical flotation recovery with par...

background: little is known about the influence of habitual participation in physical exercise and diet on upper-extremity physical function in older adults. to assess the relationship of general physical exercise and diet to upper-extremity physical function and pain intensity in older adults.   methods: a cohort of 111 patients 50 or older completed a sociodemographic survey, the rapid assess...

background: this was a retrospective cephalometric study to develop a more precise estimation of soft tissue changes related to underlying tooth movment than simple relatioship betweenhard and soft tissues. materials and methods: the lateral cephalograms of 61 adult patients undergoing orthodontic treatment (31 = premolar extraction, 31 = nonextraction) were obtained, scanned and digitized befo...

background there are several studies in the literature investigating factors which can induce non-alcoholic fatty liver disease (nafld) in different populations. however, the existing literature lacks powerful studies addressing the factors which may predict the severity of nafld. objectives in the current study, we aimed to evaluate factors independently associated with liver echogenicity in a...