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question tips in restaurants servers rely on tips as a major source of income does serving candy after the meal produce
question tips take 2 in another experiment to see if getting candy after a meal would induce customers to leave a
question cloning in september 1998 usa weekend magazine asked should humans be cloned readers were invited to vote yes
question laundry an experiment to istest a new laundry detergent sparklekleen being conducted by a consumer advocate
question mozart will listening to a mozart piano sonata make you smarter in a 1995 study published in the journal
question full moon its a common belief that people behave strangely when theres a full moon and that as a result police
question wine a 2001 danish study published in the archives of internal medicine casts significant doubt on suggestions
question swimming recently a group of adults who swim regularly for exercise were evaluated for depression it turned
question dowsing before drilling for water many rural homeowners hire a dowser a person who claims to be able to sense
question healing a medical researcher suspects that giving post-surgical patients large doses of vitamin e will speed
question reading some schools teach reading using phonics the sounds made by letters and others using whole language
question gas mileage do cars get better gas mileage with premium instead of regular unleaded gasoline it might be
question weekend deaths a study published in the new england journal of medicine aug 2001 suggests that its dangerous
question shingles a research doctor has discovered a new ointment that she believes will be more effective than the
question beetles hoping to learn how to control crop damage by a certain species of beetle a researcher plans to test
question sat prep can special study courses actually help raise sat scores one organization says that the 30 students
question safety switch an industrial machine requires an emergency shutoff switch that must be designed so that it can
question washing clothes a consumer group wants to test the effectiveness of a new organic laundry detergent and make
question skydiving anyone a humor piece published in the british medical journal parachute use to prevent death and
question what design analyze the design of each research example reported is it a sample survey an observational study
question omega-3 exercise describes an experiment that showed that high doses of omega-3 fats might be of benefit to
question insomnia exercise describes an experiment showing that exercise helped people sleep better the experiment
question tomatoes ii the chapter also described a completely randomized two-factor experiment testing optigro