This guide offers a comprehensive handbook to scientific research methodology and experimental design, specifically for novice MA and PhD researchers in Education and Language Learning (TESOL/TEFL). It establishes scientific research as a systematic, objective inquiry focused on identifying cause-and-effect relationships through empirical data.…

This chapter provides a guide to research logistics and ethics in studying immigrant families. The authors outline major pragmatic issues in research design and data collection to which all scholars must attend, although current practices often do not respond to the idiosyncratic issues related to vulnerable immigrant populations (e.g.,…

Regression discontinuity (RD) analysis is a rigorous nonexperimental approach that can be used to estimate program impacts in situations in which candidates are selected for treatment based on whether their value for a numeric rating exceeds a designated threshold or cut-point. Over the last two decades, the regression discontinuity approach has…

This technical manual discusses some of the recent developments in the science of graphology and their implications for the science. The manual contains the following sections: (1) Graphology: An Introduction; (2) "CHAPS": Computerized Handwriting Analysis Profiling Systems; (3) HRC Profiles; (4) Reliability; (5) Validity; (6) Historical…