man's instinct for exploring is the most natural way to enhance motivation and, consequently, cognition. in the research-centered teaching method, developed after many y ears of teaching experience, the principles mentioned in textbooks are not presented directly instead, the lecture begins by posing an initial question about how scientists have discovered a certain principle. students are...

background: research about teaching methods and students' education is an important subject which can improve the quality of education. this study was performed to compare three educational methods: teaching through lecture, presentation by small group of students, student's search and study of topics before the class. methods: this quasi-experimental study was conducted on 42 student...

Quadtree-like pyramids have the advantage of re-suiting in a multiresolution representation where each pyramid node has four unambiguous parents. Such a centered topology guarantees a clearly defined up-projection of labels. This concept has been successfully and extensively used in applications of contour detection, object recognition and segmentation. Unfortunately, the quadtree-like type of ...

Health reform promotes the delivery of patient-centered care. Occupational therapy's rich history of client-centered theory and practice provides an opportunity for the profession to participate in the evolving discussion about how best to provide care that is truly patient centered. However, the growing emphasis on patient-centered care also poses challenges to occupational therapy's perspecti...

introduction the family is in a crisis and a stressful experience when neonate is admitted in nicu ward. in recent decades, role of family in the care of neonates has completely changed. now, empowerment of families in the care of neonates hospitalized is an important approach in the field of neonatal nursing . therefore, it is necessary for parents, especially mothers with neonates in nicu war...

introduction schizophrenia is a severe mental illness that causes lack of insight into the disease and the drugs will experience episodes of relapses. in addition, it is a progressive disorder effect on the individual and involved their family. this study aimed to determine the effects of family-centered empowerment model on the attitude and medication compliance of patients with schizophrenia....

the wiener index w(g) of a connected graph g is defined as the sum of the distances betweenall unordered pairs of vertices of g. the eccentricity of a vertex v in g is the distance to avertex farthest from v. in this paper we obtain the wiener index of a graph in terms ofeccentricities. further we extend these results to the self-centered graphs.