Social sciences -- Research 6 Research -- 5 Methodology 4 Statistical methods 4 Evaluation research (Social action programs) -- 2 Methodology -- 2 more ... Periodicals 2 Qualitative research 2 Computer programs 1 Data processing 1 Education -- 1 Evaluation Studies -- 1 Factorial experiment designs 1 Health Planning -- 1 Health Services -- 1 Mathematical models 1 Methodoly 1 Periodicals -- 1 Research methodology 1 SPSS (Computer file) 1 Social Work -- 1 Social survey -- 1 Statistics -- 1 less ...