the main purpose of this research is the presentation of some prerequisites of educational theorizing with regard to ontologic components of complexity paradigm. for this purpose, by using the philosophical methods, after making mention of how ontologic components of simplicity paradigm (naive realism, linear causation, determinism) influence contemporary educational theories, ontologic compone...

background: noise pollution is one of the most harmful ambiance disturbances. it may cause many deficits in ability and activity of persons in the urban and industrial areas. it also may cause many kinds of psychopathies. therefore, it is very important to measure the risk of this pollution in different area. methods: this study was conducted in the department of medical physics and biomedical ...

this article reports on the findings of a study that investigated the impact of manipulating task performance conditions on listening task performance by learners of english as a foreign language (efl). the study was designed to explore the effects of changing complexity dimensions on listening task performance and to achieve two aims: to see how listening comprehension task performance was aff...

QSAT (QBF) INSTANCE: Boolean expression φ in CNF with variables x1, . . . , xn. QUESTION: Is there a truth value for the variable x1 such that for both truth values of x2 there is a truth value for x3 and so on up to xn, such that φ is satisfied by the overall truth assignment? Notation An instance of QSAT is written as ∃x1∀x2∃x3 · · ·Qxnφ, where Q is ∀ if n is even and ∃ if n is odd. Theorem Q...