Difference between revisions of "Experimental Design"
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| − | <span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"> | + | <span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"><span style="font-size: 10pt; mso-bidi-font-family: arial"><font face="Arial">'''''Experimental or Randomized Control Designs<o:p></o:p>'''''</font></span></font></span> |
| − | <span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">Source: </font></span><span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">Joint Committee on Standards for Educational Evaluation. (1994). | + | *<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"></font></span><span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">The plan of an experiment, including selection of subjects, order of administration of the experimental treatment, the kind of treatment, the procedures by which it is administered, and the recording of the data (with special reference to the particular statistical analyses to be performed). </font></span><span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de" /><font face="Arial"><span style="font-size: 10pt; mso-bidi-font-family: arial" /></font> |
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| + | *<font face="Arial">''<span style="font-size: 10pt; mso-bidi-font-family: arial"> Randomization</span>''<span style="font-size: 10pt; mso-bidi-font-family: arial">, in which the selection into the treatment and control groups is random within some well-defined set of people. In this case there should be no difference (in expectation) between the two groups besides the fact that the treatment group had access to the program. (There can still be differences due to sampling error; the larger the size of the treatment and control samples the less the error.)</span></font> | ||
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| + | ''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">Source:</font></span>''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"> </font></span> | ||
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| + | <span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"></font></span>''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">Joint Committee on Standards for Educational Evaluation. (1994). The Program Evaluation Standards, 2nd ed. Thousand Oaks, CA: Sage</font></span>''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de" /> | ||
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| + | ''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial">Baker, J. L. (2000): Evaluating the Impact of Development Projects on Poverty. A Handbook for Practioners. The World Bank, Washington, D.C. </font></span>''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de" />''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"></font></span>''''<span style="font-size: 9pt; color: black; mso-fareast-font-family: 'times new roman'; mso-bidi-font-family: arial; mso-fareast-language: de"><font face="Arial"></font></span>'' | ||
Revision as of 13:06, 3 November 2009
Experimental or Randomized Control Designs<o:p></o:p>
- The plan of an experiment, including selection of subjects, order of administration of the experimental treatment, the kind of treatment, the procedures by which it is administered, and the recording of the data (with special reference to the particular statistical analyses to be performed).
- Randomization, in which the selection into the treatment and control groups is random within some well-defined set of people. In this case there should be no difference (in expectation) between the two groups besides the fact that the treatment group had access to the program. (There can still be differences due to sampling error; the larger the size of the treatment and control samples the less the error.)
Source:
Joint Committee on Standards for Educational Evaluation. (1994). The Program Evaluation Standards, 2nd ed. Thousand Oaks, CA: Sage
Baker, J. L. (2000): Evaluating the Impact of Development Projects on Poverty. A Handbook for Practioners. The World Bank, Washington, D.C. '
