Descriptor
| Intervals | 1 |
| Rating Scales | 1 |
| Sampling | 1 |
| Scaling | 1 |
| Statistical Distributions | 1 |
| Statistical Studies | 1 |
Source
| Journal of Educational… | 1 |
Author
| Shaw, Dale G | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Research | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedShaw, Dale G; And Others – Journal of Educational Measurement, 1987
Information loss occurs when continuous data are grouped in discrete intervals. After calculating the squared correlation coefficients between continuous data and corresponding grouped data for four population distributions, the effects of population distribution, number of intervals, and interval width on information loss and recovery were…
Descriptors: Intervals, Rating Scales, Sampling, Scaling
