The study aimed to investigate the level of reading ‎comprehension skills included in Readiness Read activities ‎science textbooks for middle school, 1442H edition, using a ‎descriptive approach based on content analysis design. An ‎assessment tool was prepared, including 14 distributed ‎among three levels comprehension skills: direct, ‎inference, and critical comprehension. Validity reliabilit...

The distribution of statistics testing restrictions on the coefficients in time series regressions can depend on the order of integration of the regressors. In practice, the order of integration is rarely known. We examine two conventional approaches to this problem simply to ignore unit root problems or to use unit root pretests to determine the critical values for second-stage inference -and ...

Techniques are developed for projecting the solutions of symmetric hyperbolic evolution systems onto the constraint submanifold (the constraint-satisfying subset of the dynamical field space). These optimal projections map a field configuration to the “nearest” configuration in the constraint submanifold, where distances between configurations are measured with the natural metric on the space o...

Partial migration (when only some individuals in a population undertake seasonal migrations) is common in many species and geographical contexts. Despite the development of modern statistical methods for analyzing partial migration, there have been no studies on what influences partial migration in tropical environments. We present research on factors affecting partial migration in African buff...

The econometric theory for panel data regressions was largely developed for survey data where N the number of individuals was large and T the number of time periods small. The asymptotic statistical theory was derived by letting N → ∞ for fixed T . In recent years there has been growing interest in cases, such as sets of countries, regions or industries, where there are fairly long time-series ...

Despite the abundance of bipartite networked systems, their organizing principles are less studied compared to unipartite networks. Bipartite networks are often analyzed after projecting them onto one of the two sets of nodes. As a result of the projection, nodes of the same set are linked together if they have at least one neighbor in common in the bipartite network. Even though these projecti...

A new, probabilistic approach for inferring 3-D volumetric primitives from a single 2-D view is presented. This recognition relies on the assumption that every object can be decomposed into component parts that belong to a finite set or alphabet of volumetric primitives (geons). For each possible primitive from the permissible set, a conditional probability function is computed. This law specif...

This paper is a study of the application of Bayesian Exponentially Tilted Empirical Likelihood to inference about quantile regressions. In the case of simple quantiles we show the exact form for the likelihood implied by this method and compare it with the Bayesian bootstrap and with Jeffreys’ method. For regression quantiles we derive the asymptotic form of the posterior density. We also exami...

Based on philosophical considerations, interpretations which connect concepts from the cognitive universe are presented. The resulting abstract theory is downward compatible with basic elements of Shannon Theory. Though philosophically based, the theory is quantitative and besides pragmatic with a multitude of possible applications, some of which are indicated. Major attention is payed to the c...

It is relevant to consider uncertainty in individual predictions when quantitative structure-activity (or property) relationships (QSARs) are used to support decisions of high societal concern. Successful communication of uncertainty in the integration of QSARs in chemical safety assessment under the EU Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) system can be f...