the present study aims to determine the psychometric characteristics of the watson–glaser critical thinking test among employees in the iranian national oil company. for this purpose, 380 employees referred to ‘the assessment center’in 1390-91 were selected through random sampling method  . the research method is a descriptive – instrument maling one. in which two tests were used:  1)watson–gla...

Watson Crick automata are finite automata working on double strands. Extensive research work has already been done on non deterministic Watson Crick automata and on deterministic Watson Crick automata. Parallel Communicating Watson Crick automata systems have been introduced by E. Czeziler et al. In this paper we discuss about a variant of Watson Crick automata known as the two-way Watson Crick...