Computer and internet based questionnaires have become a standard tool in Human-Computer Interaction research and other related fields, such as psychology and sociology. Amazon's Mechanical Turk (AMT) service is a new method of recruiting participants and conducting certain types of experiments. This study compares whether participants recruited through AMT give different responses than partici...

Among the variety and diversity of pigeon houses, Multi-Tier Pigeon Houses (MTPHs) are distinguished from the functional and aesthetic point of view and are considered as a specific local architectural sights of Lenjanat. However, few studies have been conducted to study this type of pigeon house and these constructs have remained unknown. In this study we have conducted library and field studi...

Field studies and user requirements analysis are highly valued practices in the human-computer interaction community. However, in companies, field study methods are not widely used and they still encounter resistance. In this paper, we describe a longitudinal research effort conducted in two companies to introduce field studies and make them a part of the product development process. A strategy...