In educational research a major consideration with sample size is concluding that a study with a relatively small sample that found no difference or no relationship is true for example suppose that you are studying the relationship between creativity and intelligence and with a sample of 20 students found that there was no relationship. Educational research fundamentals for the consumer second edition james h mcmillan virginia commonwealth universityzyxwvutsrqponmlkjihgfedcbazyxw harpercollins . Download citation educational research fundamentals for the consumer two copies kept one at call number mcm 91 and one at call number mcm 92 incl bibl index find read and cite all the . Anatomy of a research article 18 outline summary 18 study questions 27 sample test questions 28 2 variables research problems and hypotheses 31 variables in educational research 32 constitutive and operational definitions 32 types of variables 33 research problems 36 sources for research problems 39 consumer tips criteria for evaluating. Educational research fundamentals for the consumer sixth edition james h mcmillan our faculty reviewed all the available texts in the field and felt educational research best fit our needs we teach this course to a wide variety of students in a variety of majors counseling physical education curriculum and instruction educational administration etc and it did the best job of providing for all these individual needs