Step 1: Understanding the Concept:
This question asks for a plausible explanation for a specific set of data. The data shows a dramatic shift in public opinion toward a more positive view of science between August 1991 and August 1992. We need to find an event or factor that could have caused this shift within that specific timeframe.
Step 2: Key Formula or Approach:
The key is the timing. The shift is massive and occurs in a one-year period. We are looking for a significant, positive, science-related event that occurred between the two surveys and could have influenced the specific population that was surveyed.
Step 3: Detailed Explanation:
- The data shows a huge increase in the "Mostly beneficial" category (from 25% to 81%).
- (A) This option provides a very strong explanation. It identifies the survey group ("people who regularly watch prime-time television") and points to a major, relevant event ("an innovative weekly prime-time television series called 'Wonders of Science'"). Crucially, the timing fits perfectly: the show premiered in January 1992, exactly between the two surveys. A popular and positive TV show about science could plausibly cause a massive shift in the opinions of regular TV viewers.
- (B) The report was published in June 1992, which fits the timeline, but an increase in student interest since 1982 is a long-term trend and is unlikely to cause such a sudden, dramatic shift in the opinions of "college-educated adults."
- (C) This describes a negative event related to science/industry (a company closing due to toxic effects). This would be expected to cause a negative shift in opinion, the opposite of what was observed.
- (D) This describes the methodology of the survey and incentives given to respondents. It doesn't provide an external reason for why their opinions about science would change so drastically.
- (E) The fact that the questioners were scientists might introduce bias, but it doesn't explain the change from one year to the next, assuming the methodology was the same both years.
Step 4: Final Answer:
The premiere and growing popularity of a positive television show about science in the interval between the two surveys provides the most direct and plausible explanation for the dramatic positive shift in opinion among a TV-watching audience.