anxious /ˈæŋkʃəs/ (adj) feeling worried or nervous Example: He seemed anxious about the meeting
ascertain /ˌæsəˈteɪn/ (v) 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 /əˈsjuːm/ (v) 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/ (n) a period of ten years, especially a period such as 1910–1919 or 1990–1999 Example: Each decade seems to have its own fad products
examine /ɪɡˈzæmɪn/ (v) 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/ (v, n) 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 /ˈlɒdʒɪkl/ (adj) seeming natural, reasonable. or sensible Example: In addition to logical thinkers, a good research and development team should include a few dreamers
research /rɪˈsɜːtʃ/ (n) a careful study of a subject Example: For toy manufacturers, research can be pure fun
responsibility /rɪˌspɒnsəˈbɪləti/ (n) a duty to deal with or take care of someone or something, so that it is your fault 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 /sɒlv/ (v) 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 /ˈsuːpəvaɪzə(r)/ (n) an daministrator in charge Example: A good supervisor gets his team to work with him, not just for him
systematically /ˌsɪstəˈmætɪkli/ (adv) done according to a system or plan Example: While creative thinking is necessary, analyzing a problem systematically is indispensable