Abstract
The presented paper investigated focusing on 'why' statement in engineering education. For studying the effect of utilizing ‘why’ statement in teaching comparing with other statements such as ‘what’, ‘how’ and determination (state), five aspects were investigated to spot the light on the influence of the ‘why’ statement in teaching over several angles. So, passing, captivating the attention, review the taught idea, motivation and concluding the taught idea were used for testing the hypothesis. Five questionnaires were used for these aspects. Two manners of the statements’ order in the questionnaires were used. The first manner, the ‘why’ statement is always the first, but in the second manner can have any order. The results showed the high effect of ‘why’ and ‘what’ statements in persuasion the students studying the engineering subjects. The second manner had a better effect on enhancing the results of 'why' statement.