Relationship Between Metacognitive Skills and Information Processing Skills Among Al-Quds University Students

Metacognitive skills and information processing are key concepts in the field of education, they are crucial in the learning process. The present study aimed to identify the relationship between metacognitive skills and information processing skills among the students of Al-Quds University. The study instruments were applied on a sample of 393 male and female students. The results showed that there was a positive correlation between metacognitive skills and information processing among Al-Quds University students. The findings revealed statistically significant differences in the level of metacognitive skills, attributed to gender in favor of female students. However, there were no statistically significant differences due to faculty or academic level. The findings also showed that there were no statistically significant differences in the level of information processing skills attributable to gender and academic level. However, there were statistically significant differences in the level of information processing due to the faculty variable in favor of the Faculty of Science

Metacognitive Skills among Left-Handed Students in Al-Quds university

The aim of this study was to reveal the metacognitive skills among left-handed students at Al-Quds University. The study population consisted of all left-handed students at Al-Quds University. Data obtained from a purposive sample of 47 left-handed male and female students was analyzed using Statistical Package for Social Sciences (SPSS). The findings showed that left-handed students at Al-Quds University had a low degree of metacognitive skills. It was found that there were differences attributable to gender in favor of female students, but no differences attributable to college (Science and Humanities). The findings also revealed differences due to the overall grade point average (GPA) in favor of the students with a GPA of more than 80%. It is recommendedthat students must be taught metacognitive strategies through: helping them to plan and evaluate their learning process, stimulating their thinking processes by giving them assignments that require higher levels of thinking and challenge their mental abilities in order to obtain knowledge during th

Progressive collapse analysis of steel structures under fire conditions

This is the post-print version of the final paper published in Engineering Structures. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. Copyright @ 2011 Elsevier B.V.In this paper a robust static-dynamic procedure has been developed. The development extends the capability of the Vulcan software to model the dynamic and static behaviour of steel buildings during both local and global progressive collapse of the structures under fire conditions. The explicit integration method was adopted in the dynamic procedure. This model can be utilized to allow a structural analysis to continue beyond the temporary instabilities which would cause singularities in the full static analyses. The automatic switch between static and dynamic analysis makes the Vulcan a powerful tool to investigate the mechanism of the progressive collapse of the structures generated by the local failure of components. The procedure was validated against several practical cases. Some preliminary studies of the collapse mechanism of steel frame due to columns’ failure under fire conditions are also presented. It is concluded that for un-braced frame the lower loading ratio and bigger beam section can give higher failure temperature in which the global structural collapse happens. However, the localised collapse of the frame with the higher loading ratio and smaller beam section can more easily be generated. The bracing system is helpful to prevent the frame from progressive collapse. The higher lateral stiffness of the frame can generate the smaller vertical deformation of the failed column at the re-stable position. However, the global failure temperature of the frame is not sensitive to the lateral stiffness of the frame

Prenatal psychosocial disorders

The study aims to investigate psychosocial and social disorders associated with women during pregnancy in the light of certain variables namely: age during the previous pregnancy, number of pregnancies, level of academic qualifications and place of residence. The sample consisted of 446 pregnant women purposely selected. The data was collected through a structured index of 43-items developed by the researcher. The findings revealed that pregnant women experienced a low degree of psychosocial disorders with no significant differences in the level of prenatal psychosocial disorders due to age during the previous pregnancy, number of pregnancies, and level of academic qualifications. However, statistically significant differences were found due to the place of residence in favor of the city dweller

A hplc-uv method for deteermination of three pesticides in water

HPLC method is developed and validated for determination of three pesticides (abamectin, imidacloprid, and -cyfluthrin) in water. These pesticides are used widely in agriculture for crops protection, and may be leached to the groundwater. Reversed-phase method with C18 column (5 μm, 250mm × 4.6 mm inner diameter) using a mobile phase consisting of acetonitrile/water (v:v = 4:1) at a flow rate of 1.5 mL/min and UV detection at 220 nm was used. This method is validated according to new methods which include accuracy, precision, linearity and range, limit of detection and limit of quantitation. The current method exhibits good linearity over the range of 1-1000 ppb for abamectin, 0.5-1000 ppb for imidacloprid, and 0.4-1000 ppb for ß-cyfluthrin with r2 greater than 0.990. The percentage recovery of the method at three concentration levels (5, 100, and 1000 ppb) is within 97.6 to 101.5% for the three pesticides. Relative standard deviation of the area of six replicate injections of each pesticide at three concentration levels (5.0, 100.0, and 1000.0 ppb) was found to be less than 1% which reflect the precision of the method. Limit of quantitation of the three pesticides using this method is low (1.0, 0.5, and 0.4 ppb) for abamectin, imidacloprid, and -cyfluthrin, respectively which enables the determination of these three pesticides in water at low concentration levels

Development and Validation of HPLC-UV Method for Determination of Bovine Serum Albumin and Myoglobin Proteins

A simple HPLC with UV detection method is developed and validated for determination of Bovine Serum Albumin and Myoglobin proteins in a standard solution of the two protein as well as in a plasma spiked with theses two proteins. Separation was achieved on a reversed-phase C18, 5.0 μm, 150mm × 4.6 mm inner diameter column using a mobile phase consisting of solution A (900 mL of water, 100 mL Acetonitrile, 10 mL Trifluroacetic acid) and solution B (900 mL of acetonitrile, 100 mL water, 10 mL Trifluroacetic acid) with gradient elution of 5 to 50% of solution B in 15 minutes. This new method is validated in accordance with requirements for new methods, which include accuracy, precision, selectivity, linearity and range, robustness, limit of detection and limit of quantitation. The method demonstrates good linearity over the range of 1-1000 ppm for the two proteins with r2 greater than 0.998. The percentage recovery of the method is within 97.9 to 102.0% for the two proteins. Precision of this method reflected by relative standard deviation of the area of six replicate injections of each protein at five concentration levels (1.0, 100.0, 300.0, 500, and 1000.0 ppm) was found to be less than 2%. Limit of quantitation of the two proteins is low which enables the determination of these proteins at low concentration

Rural pluriactivity in Jordan : issues and policy implications.

Imperial Users onl

Development and Validation of a Simple Reversed‑Phase HPLC‑UV Method for Determination of Malondialdehyde in Olive Oil

A simple, precise, accurate and selective method was developed and validated for determination of malondialdehyde (MDA) in olive oil. Separation was achieved on a reversed-phase C8 column using a mobile phase consisting of methanol/0.8 % phosphoric acid (10:90, v/v), at a flow rate of 1.0 ml/min and UV detection at 220 nm. This method was validated according to the requirements for new methods, which include accuracy, precision, selectivity, robustness, a limit of detection, limit of quantitation (LOQ), linearity and range. The current method demonstrated good linearity over the range of 0.5–1000 ppm of MDA with r2 greater than 0.999. The recovery of MDA in olive oil ranged from 97.1 to 99.1 %. The method was selective where MDA was distinctly separated from other compounds of the oil with good resolution. The method was also precise where the RSD of the peak areas of replicate injections of MDA standard solution were less than 1 %. The degree of reproducibility of the results obtained as a result of small deliberate variations in the method parameters and by changing the analytical operators proved that the method is robust and rugged. The low LOQ of MDA (0.5 ppm) using this method enables quantitation of MDA at low concentration

Population pharmacokinetics of trastuzumab emtansine (T-DM1), a HER2-targeted antibody–drug conjugate, in patients with HER2-positive metastatic breast cancer: clinical implications of the effect of covariates

PURPOSE: Trastuzumab emtansine (T-DM1) is an antibody–drug conjugate comprising the humanized monoclonal antibody trastuzumab linked to DM1, a highly potent cytotoxic agent. A population pharmacokinetic (PK) analysis was performed to estimate typical values and interindividual variability of T-DM1 PK parameters and the effects of clinically relevant covariates. METHODS: Serum samples were collected from 671 patients with human epidermal growth factor receptor 2-positive locally advanced or metastatic breast cancer (MBC) who received single-agent T-DM1 in five phase I to phase III studies. Nonlinear mixed-effects modeling with the first-order conditional estimation method was used. RESULTS: A linear two-compartment model with first-order elimination from the central compartment described T-DM1 PKs in the clinical dose range. T-DM1 elimination clearance was 0.676 L/day, volume of distribution in the central compartment (V(c)) was 3.127 L, and terminal elimination half-life was 3.94 days. Age, race, region, and renal function did not influence T-DM1 PK. Given the low-to-moderate effect of all statistically significant covariates on T-DM1 exposure, none of these covariates is expected to result in a clinically meaningful change in T-DM1 exposure. CONCLUSIONS: T-DM1 PK properties are consistent and predictable in patients. A further refinement of dose based on baseline covariates other than body weight for the current 3.6 mg/kg regimen would not yield clinically meaningful reductions in interindividual PK variability in patients with MBC. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s00280-014-2500-2) contains supplementary material, which is available to authorized users

Relation between the Psychological Pain and Alexithymia among Palestinian University

Purpose: The current study aimed at identifying the relation between the psychological pain and Alexithymia among Palestinian university students. The study tool was applied to a sample of Hebron and Al-Quds universities students. The sample included (500) male and female students, from the first semester of the academic year 2019 randomly selected. The results: of the study showed a positive relationship between Alexithymia and psychological pain, and there are significant differences in the level of Alexithymia among Palestinian university students due to the university that favored Hebron University students, and for the gender in favor of males and for the college that favored the scientific college students