A researcher randomly assigned participants to two different types of personality description that she said were based on their astrological sign. The descriptions were actually very similar and differed only in how general or specific they were. The group that received general information rated the description as more accurate than the group that received more specific descriptions. This research is a:

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This is a true experiment because the researcher randomly assigned participants to different conditions (general vs specific descriptions) and manipulated the independent variable (type of description). By doing so, the researcher was able to establish causality and determine whether the type of description affected participants' ratings of accuracy.

A Researcher Randomly Assigned Participants to Two Different Types of Personality