2013i-246 biomathematics biometry biostatistics communicationineducation cost-benefitanalysis costeffectiveness decisionmaking decisionsupporttechniques education evaluation general h62l767p2001 history homeandschool mat029000med071000 mathematics medical medicine meta-analysisastopic methodology methods models numericaldata parent-teacherrelationships parentandchild parentparticipation pharmacology probability psychiatry psychometrics r(computerprogramlanguage) reseach research researchdesign sampling(statistics) socialsciences software statistical statisticaldecision statisticalmethods statistics statisticsastopic wa950p491m2000