TY  - BOOK
AU  - Fraenkel Jack R.
AU  - Wallen,Norman E.
TI  - How to design and evaluate research in education
SN  - 0072485604
AV  - LB1028 FRA 
PY  - 2003///
PB  - McGraw-Hill
KW  - Research (education)
KW  - Educational research
N1  - Includes bibliographical references and index; The nature of educational research The research problem Variables and hypotheses Ethics and research Review of the literature Sampling Instrumentation Validity and reliability Internal validity Descriptive statistics Inferential statistics Statistics in perspective Experimental research Single-subject research Correlational research Causal-comparative research Survey research The nature of qualitative research Observation and interviewing Content analysis
ER  -