background and aim : hearing impairment affects educational skills of hearing-impaired students, but its negative impact is far more on reading and writing skills. this study was per­formed to design and validate an educational software to improve writing skills. methods : in this study, the mixed-methods approach was used. in the first step, the qualitative method was used to design the educat...

objective: different categories are available for estimating of radiation dose. radioisotopes with the same energy and almost the same physical properties have similar effects. monte carlo technique is a computerized method based on mathematical simulation of physical processes. the main purpose of this study is to show that beta particles are not able to penetrate deep into the water. also dif...

In the software measurement validations, assessing the validation of software metrics in software engineering is a very difficult task due to lack of theoretical methodology and empirical methodology [41, 44, 45]. During recent years, there have been a number of researchers addressing the issue of validating software metrics. At present, software metrics are validated theoretically using proper...