狠狠撸

research research design sampling design education experimental research design educational research projective techniques extraneous variables non probability sampling probability sampling sampling techniques exploratory research design non sampling errors sampling errors population sample control group good sample sample size sampling frame principles of sample size determination experimental group stratified sampling random sampling scaling measurement scales definition of measurement mapping assumptions ratio scale interval scale ordinal scale nominal scale scales of measurement measurement snow ball sampling sequential sampling convenience sampling quota sampling judgement sampling cluster sampling multi stage sampling systematic sampling diagnostic research descriptive research types of projective techniques expert survey focus group interview indepth interview secondary data analysis case study exploratory research questions to be answered by research design research methods operational design descriptive research design types of research design parts of research design observational design statistical design factorial ananlysis statistical research design true experimental research design quasi experimental research design pre experimental research design types of experimental research designs shaloo saini components of experimental research design steps of experimental research controlling the extraneous variables principles of experimental design steps of descriptive research design methods of data collection objectives of diagnostic research objectives of descriptive research elements of diagnostic research design elements of descriptive research design t test ordinal data interval data ratio data nominal data non parametric tests parametric tests factors influencing data analysis type of data data analysis frequency distribution smoothened frequency curve ogive frequency polygon histogram range chart line graph graphs graphical representation of data economy politics kinship religion family areas of social institution associations community social system society indian social institutions multivariate analysis univariate analysis one sample test independent samples test ancova kriskal wallis test anova z test qualitative data secondary data primary data data in research data verbal frequency scale multiple item scale single item scale stapel scale scale properties ranking scale semantic differential scale likert scale rating scale education research non comparative scaling comparative scaling scaling techniques scale classification research data divided bar diagram multiple bar diagram single bar diagram pictograph pie diagram bar diagram data presentation pictorial representation internet data published data external data internal data interview focus group data experimental data survey observations quantitative data