in order to determine the best index for evaluating maize genotypes, 15 maize inbred lines were evaluated in two planting dates, 6 july to coincide heat stress with pollination time and 27 july as normal planting to avoid high temperature during pollination and grain filling period, using a randomized complete block design with three replications, in shushtar city, in 2007. result showed that i...

abstract     in order to study the relationships among seed yield and its components in nigella sativa, path coefficient and factor analysis was done using some agro- morphological traits of 21 different genotypes. genotypes were evaluated using a completely randomized design with four replications in ardestan university research farms. there was a high and positive correlation between seed yie...

OBJECTIVE To examine the factor structure of the Rutter Teacher Questionnaire in Portuguese primary school children. METHOD The Rutter Teacher Questionnaire, a 26-item scale covering a variety of behavioral problems, was completed by teachers of 877 children, aged 6 to 11 years. Data were subjected to factor analysis using the principal components solution with varimax rotation. RESULTS The...

this study attempts to come up with a practical framework for evaluating the taxpayer satisfaction for taxation organization. in so doing, first, 22 essential factors in taxpayer satisfaction process; were found in the literature related to the customer satisfaction indices, and then a questionnaire was constructed based on these factors. 140 experts in this field participated in the study and ...

Background: The aim of this study was to investigate the validity, reliability and factor structure of the child and parent's version of psychological inflexibility in pain scale (PIPS) in the population of children with chronic pain and their parents. Methods: The sample consisted of 112 pairs of children and parents, selected through available sampling method from the Tehran Children's Hospi...

abstract this reasearch was conducted to study the phenotypic diversity of thymus kotschyanus populations. seeds were collected from natural inhabitats (guilan, mazandaran, west azarbaijan, semnan and qazvin) and planted in qom reasearch station in 2007. a number of some such different morphological and phenological traits of the plants as plant,s height, leaf length, leaf width, oil content, i...