For Example 1: by assessing students’ assignments; by observing students while they search the Internet; by interviewing students about their search experiences
For Example 2: by videotaping of self interacting during class discussions; by keeping a journal diary by teacher of experiences with ESL vs. other students; by interviewing students of the ESL teacher
For Example 1: Look for obstacles and “search tips” expressed by several students; look for common strengths and problems with research cited on assignments
For Example 2: Look for differences in type and amount of interactions with ESL vs. other students; look for patterns in the differences; by altering the patterns of interaction and observe the result