These sites provide information to aid in the development of a quantitative research study. Some of the information is general, such as getting started and ethics. Other information is more specific, such as how to compute sample size.
Choice of Unit of Analysis
http://users.rcn.com/dakenny/u_o_a.htm
This page provides the practicing researcher with guidance concerning the unit in the statistical analysis.
Educational Research Ethics
http://oregonstate.edu/instruct/coun510/ethics/educat.htm
A complete discussion of ethical issues in research, including a model online informed consent form.
Sample Size Calculator
http://www.surveysystem.com/sscalc.htm
How many participants do you need in your study? This site will help you answer this question.
Power and Sample-Size Page
http://www.stat.uiowa.edu/~rlenth/Power/
An advanced, more versatile sample-size calculator.
Survey Design, Questionnaire Design Tips
http://www.surveysystem.com/sdesign.htm
Writing survey questions takes time and gets easier with practice. The more you know right now will make your learning faster and help you avoid regret after you collect data you wish you had collected differently.
Survey Sampling Methods
http://www.statpac.com/surveys/sampling.htm
A site presenting various types of sampling.
Sampling Error
http://www.pollingreport.com/sampling.htm
A concise and informative discussion of sampling error from a major polling agency.
Sampling Error in Survey Research
http://www.dssresearch.com/toolkit/resource/papers/MRM10.asp
A site providing information about sampling error.
Free Services for Survey Researchers
http://www.surveysystem.com/resource.htm
A broad range of informative articles and tools for quantitative researchers.
Scales of Measurement
http://web.uccs.edu/lbecker/SPSS/scalemeas.htm
An in-depth discussion of scales of measurement and related topics such as appropriate analyses.
Internal Validity Tutorial
http://psych.athabascau.ca/html/Validity/
A discussion of the possible threats to internal validity.
International Archive of Education Data
http://www.icpsr.umich.edu/IAED/
An education-related data archive from the University of Michigan's Institute of Social Research. The archive acquires, processes, documents, and disseminates data collected by national, state or provincial, local, and private organizations, pertaining to all levels of education in countries for which data can be made available. Data encompasses the "inputs" to education (funding, personnel, teaching resources, facilities, teacher and student preparation, etc.), the variety of processes by which teaching and learning occur, and the "outputs" of education (graduation and matriculation rates, dropout rates, test scores, job placements, life histories, life assessments, etc.). The data stored in this new archive are intended to support a wide variety of comparative and longitudinal research through the preservation and sharing of data resources.
The Data and Story Library
http://lib.stat.cmu.edu/DASL/
A good source for quantitative data – especially for beginners.
Locate Psychological Instruments
http://www.unl.edu/buros/
The world-renown library of psychological instruments and reviews.
