Students whose Physical Science Study Committee (PSSC) physics course was supplemented with the PSSC films did not achieve significantly higher scores on the PSSC Achievement Test or the Test on Understanding Science than students who did not see the films, when intelligence and science background were used as covariates. (AL)

The test "Measurement About Science and Scientists" (Project Physics, Form 1) was prepared by choosing 101 items from the "Test on Understanding Science" and from the "Science Process Inventory" on the basis of their ability to indicate changes in students' knowledge. The method of building derived tests is described,…