The International Adult Literacy Survey (IALS): Understanding What Was Measured IALS
- Author(s):
-
Kirsch, Irwin S.
- Publication Year:
- 2001
- Report Number:
-
RR-01-25
- Source:
-
ETS Research Report
- Document Type:
- Report
- Page Count:
- 61
- Subject/Key Words:
-
Construct Validity,
Large-Scale Assessment,
Literacy,
Reading,
Test Interpretation,
Test Design
Abstract
Collectively, these process variables provide a means for moving away from interpreting performance on large-scale surveys in terms of discrete tasks or a single number, toward identifying levels of performance that have generalizability across pools of tasks and toward what Messick has called a higher level of measurement.
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