AbstractIntroduction: In this study, the effectiveness of contingency management and cognitive-be-havioral therapy on the treatment of patients with opiate dependence receiving naltrexone main-tenance treatment, was evaluated. Method: Patients with opiate dependence between ages 20 to 49 who were receiving naltrexone maintenance treatment (n=90) were randomly assigned for 16 weeks to one of th...

abstract following innovations in the field of elt, a new topic which has recently attracted a lot of attention is metaphor analysis. although this area of research is still in its infancy in elt, it seems that the idea can shed more light on the puzzle of english language learning and teaching. therefore, the major aim of this study is to analyze language learning and teaching in formal a...

the purpose of this study was to examine the status of supervision on departments’ heads at ferdowsi university of mashhad (fum) and realize some applied themes to provide a fit model for supervising departments’ heads in fum. the method was case study under a research category aimed for applied one. using purposive sampling, interviews were conducted with top fum managers, head departments, an...

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...

in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...

The purpose of this study was to investigate the effect of the flipped class approach on math learning of students in multi-grade classes. This research is a quasi-experimental design of pre-test-post-test-follow-up with a control group. After studying and designing educational work, 36 elementary school students studying in two multi-level schools in the academic year 1300-1400 in Kohgiluyeh a...

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

The purpose of this study was to investigate the effect of the flipped class approach on math learning of students in multi-grade classes. This research is a quasi-experimental design of pre-test-post-test-follow-up with a control group. After studying and designing educational work, 36 elementary school students studying in two multi-level schools in the academic year 1300-1400 in Kohgiluyeh a...