anxious /ˈæŋkʃəs/ (adjective) feeling worried or nervous Example: He seemed anxious about the meeting
ascertain /ˌæsərˈteɪn/ (verb) to find out the true or correct information about something Example: A necessary part of product development is to ascertain whether the product is safe
assume /əˈsuːm/ (verb) to think or accept that something is true but without having proof of it Example: The young man felt ready to assume the new responsibilities of his promotion
decade /ˈdekeɪd/ (noun) a period of ten years, especially a continuous period, such as 1910–1919 or 2000–2009 Example: Each decade seems to have its own fad products
examine /ɪɡˈzæmɪn/ (verb) to consider or study an idea, a subject, etc. very carefully Example: Before marketing a new product, researchers must carefully examine it from every aspect
experiment /ɪkˈsperɪmənt/ (noun) a scientific test that is done in order to study what happens and to gain new knowledge Example: Product developers must conduct hundreds of experiments in their research
logical /ˈlɑːdʒɪkl/ (adjective) seeming natural, reasonable or sensible Example: In addition to logical thinkers, a good research and development team should include a few dreamers
research /ˈriːsɜːrtʃ/ (noun) a careful study of a subject, especially in order to discover new facts or information about it Example: For toy manufacturers, research can be pure fun
responsibility /rɪˌspɑːnsəˈbɪləti/ (noun) a duty to deal with or take care of somebody/something, so that you may be blamed if something goes wrong Example: The product development department has a huge responsibility to be sure that the product is safe, even if used improperly
solve /sɑːlv/ (verb) to find a way of dealing with a problem or difficult situation Example: Researchers find that every time they solve one problem, two more result
supervisor /ˈsuːpərvaɪzər/ (noun) a person who supervises somebody/something Example: A good supervisor gets his team to work with him, not just for him
systematically /ˌsɪstəˈmætɪkli/ (adverb) in a complete, efficient or determined way that follows a system or plan Example: While creative thinking is necessary, analyzing a problem systematically is indispensable