The purpose of this concept sketch is to identify potential biases in user-generated content posted online. As you learned in this module, most consumers do not post their opinions online. As a result, the opinions we observe may differ from the opinions of the overall population.

The figure below presents the distribution of reviews based on unbiased opinions across all customers for a hypothetical product. The y-axis indicates the number of reviews.

Using theories and concepts discussed in the lecture, please sketch the distribution of reviews you would expect for the following scenarios:

Sketch the distribution of reviews:

• Based on opinions we observe posted online.
• Based on opinions posted by experts.
• Based on opinions posted by individuals who bandwagon.
• Posted by those motivated by self-image.