Data from the NAEP 1996 Long-Term Trend Science Assessment show mixed results since the first assessment. Scores for all three age groups fell and then rose. Both 9- and 13-year-olds showed an overall increase, but 17-year-olds showed an overall decline. Scores for white students were higher than for blacks and Hispanics for all three age groups, although scores for 9- and 13-year-old black students did improve, both absolutely and in comparison with white students.
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