Agatha N. Ardhiati

atma jaya lecture psychology research research methods qualitative method quantitative qualitative interview observation psychological testing psychometrics psychological measurement quantitative method basic statistics research design statistics data collection item construction data analysis interpretation sampling qualitative data analysis purposive sampling validation validity item analysis item formats test specification psychological constructs constructs pdu211 action research mixed methods research purpose hypotheses research questions research problems science competency based interview behavior event interview cbi bei narrative recording variabil central tendency frequency distribution introduction statictics culture upm seminar unit penelitian mahasiswa pda public display of affection fgd research paradigm research process education pecha kucha lecturing creativity