Descriptor
| Comparative Analysis | 1 |
| Information Retrieval | 1 |
| Measurement Techniques | 1 |
| Predictor Variables | 1 |
| Research Methodology | 1 |
| Sample Size | 1 |
| Statistical Distributions | 1 |
Source
| Information Processing and… | 1 |
Author
| Robertson, S. E. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedRobertson, S. E. – Information Processing and Management, 1990
Discusses the problem of determining an adequate sample size for an information retrieval experiment comparing two systems on separate samples of requests. The application of statistical methods to information retrieval experiments is discussed, the Mann-Whitney U Test is used for determining minimum sample sizes, and variables and distributions…
Descriptors: Comparative Analysis, Information Retrieval, Measurement Techniques, Predictor Variables
