Includes index

Contents: Problem and background -- Three pre-experimental designs: The One-shot case study -- The One-group pretest-pottest design -- The Static-group comparison -- Three true experimental designs: The Pretest-pottest control group design -- The Solomon four-group design -- The Posttest-only control group design -- Quasi-experimental designs: The Time-series experiment -- The Equivalent time samples design -- The Nonequivalent control group design -- Counterbalanced designs -- The Separate-sample pretest-posttest design -- The Separate-sample pretest-posttest control group design -- The Multiple time-series design -- The Recurrent institutional cycle design: a ''patched-up'' -- Regression-discontinuity analysis -- Correlational and ex post facto designs.