نتایج جستجو برای: control and experimental

تعداد نتایج: 17085003  

Journal: :journal of teaching language skills 2013
mehrak rahimi maral katal

the aim of the current study was to examine the effect of metacognitive instruction on efl learners’ metacognitive awareness of listening strategies, listening comprehension, and oral language proficiency. fifty students of two upper-intermediate english courses participated in the study and were sampled as the experimental and control groups. for sixteen weeks the experimental group participat...

Journal: :iranian journal of basic medical sciences 0
mohammad reza arab cell andmilecular research center,, faculty of medicine, zahedan university of medical sciences, zahedan, iran ramezan mirzaei faculty of medicine, zahedan university of medical sciences, zahedan, iran mehrbod karimi department of pathology, faculty of medicine, zahedan university of medical sciences, zahedan, iran rezvaneh mashhadi imam ali hospital, zahedan university of medical sciences, zahedan, iran

objective(s) to determine the potential toxic effects of manual soldering flux cored solder wire on lung of the rat as an experimental model. materials and methods a total number of 48 adult male rats were divided into experimental (n= 30) and control (n= 18) groups. based on exposure time to solder fume, each group was further subdivided into 2, 4 and 6 week subgroups. rats of experimental gro...

Journal: :iranian rehabilitation journal 0
mohammad mohammadi university of social welfare and rehabilitation sciences, tehran, iran. ali farhoudian university of social welfare and rehabilitation sciences, tehran, iran. fateme shoaee university of social welfare and rehabilitation sciences, tehran, iran. seyed jalal younesi university of social welfare and rehabilitation sciences, tehran, iran. behrouz dolatshahi university of social welfare and rehabilitation sciences, tehran, iran.

objectives: the most common problem that delinquent children and juveniles deal with at every moment is the lack of sufficient control over their aggression. accordingly, the aim of this study is to investigate the effects of mental rehabilitation group therapy based on acceptance and commitment on decreasing aggression in juvenile delinquents. methods: this study employed a quasi-experimental ...

Journal: :مجله علوم اعصاب شفای خاتم 0
shokouh navabinejad department of counseling, educational sciences & psychology faculty, kharazmi university, tehran, iran. vahideh babakhani department of counseling, humanities faculty, abhar islamic azad university, abhar, iran. nahid karimi department of counseling, humanities faculty, abhar islamic azad university, abhar, iran.

test anxiety is one of key factors which weaken the student’s morale and confidence and reduce their creativity and gradually become the permanent personal characteristic and mostly results in feeling of inadequacy. human’s locus of control is usually roots in personal belief system about the causes of the different personal experience and the causes of the success or failure, so it has great e...

Journal: :journal of craniomaxillofacial research 0
behnam bohluli department of oral and maxillofacial surgery, school of dentistry, islamic azad university of medical sciences, tehran, iran neda afsar department of oral and maxillofacial surgery, school of dentistry, islamic azad university of medical sciences, tehran, iran ali bakhshandeh-fard craniomaxillofacial research center, shariati hospital, tehran university of medical sciences, tehran, iran mahsa shariati orthodontist. craniomaxillofacial research center, shariati hospital, tehran university of medical sciences, tehran, iran

i ntroduction: due to the increase in le fort surgeries and its effect on nose widening, it seems necessary to use an alternative method without this effect. the present research examined the effect of alar release on interalar changes in le fort i osteotomy. m at erials and methods: the study population included patients admitted to bou-ali hospital in 2012-2013 undergoing le fort i osteotomy....

Journal: :journal of optimization in industrial engineering 0
ahmad ostadsharifmemar department of industrial engineering, sharif university of technology seyed taghi akhavan niaki department of industrial engineering, sharif university of technology

in this paper, first the available single charting methods, which have been proposed to detect simultaneous shifts in a single process mean and variance, are reviewed. then, by designing proper simulation studies these methods are evaluated in terms of in-control and out-ofcontrol average run length criteria (arl). the results of these simulation experiments show that the ewma and ewms methods ...

Journal: :iranian journal of fisheries science 0
r. ghorbani vaghei m.h. abolhasani r. ghorbani a. matinfar

the effects of two diets, a control diet (commercial feed with 39% crude protein) and an experimental diet (prepared based on 42% soybean meal with 38% crude protein), on growth performance of western white shrimp (litopenaeus vannamei) in six 0.4-ha-earthen ponds (three replications per treatment) with 25 per m2 density, were investigated. there was no significant difference in final weight (m...

Journal: :practice in clinical psychology 0
mohammad ashori department of psychology and education of exceptional children, faculty of psychology and education, university of tehran, tehran, iran. gholam ali afrooz organization ali akbar arjmandnia organization masoume pourmohamadreza-tajrishi organization bagher ghobari-bonab organization

objective: the present study aimed to determine the effectiveness of group triple-p on the relationships of mother-child with id (intellectual disability).  methods: in this semi-experimental study with pretest and posttest design by control group, parent-child relationship scale (pcrs) was determined in 40 random clustering selected mothers of children with id before and after the intervention...

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