A Study at the U

question 403

Multiple Choice

A study at the U.S. Air Force Academy Preparatory School demonstrated that students' performances can be affected by teachers' expectations. These results are best explained by the fact that

• A)studies in the field are more unpredictable than those in the laboratory.
• B)naturalistic observation pointed out differences not controlled by a laboratory experiment.
• C)the teachers subtly communicated their expectations to the students, which created a self-fulfilling prophecy.
• D)the two groups were really not equal in their ability at the start of the experiment.

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A virtual table in SQL that is created by a query joining one or more tables. It does not store data but rather displays it according to the SQL query defined.