1. Do the subjects learn more vocabulary from reading, reading while listening, or
listening to stories?
2. At what rate is this new vocabulary knowledge learned, and at what rate does it decay?
3. Are the subjects more likely to learn a word if they meet it more often?
4. Are there significant differences in acquisition rates depending on whether the test is a multiple-choice test or a meaning-translation test?
5. Do the subjects prefer to read only, read while listening, or listen only to stories?