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BONUS. (2 pts) The serial commas is also called the _________ comma. 

The highlighted phrase is a / an:  The performer [wearing pink sequins] is the most experienced dancer in the ballet company. 

The highlighted phrase is a /an:  [Studying for classes] demands a lot of most students’ time.

The highlighted phrase is a / an: The guitarist [holding a black and gold guitar] had a long solo in the middle of the song. 

In vertebrate ecotoxicity studies, the major limitation compared to invertebrate tests is:

Which of the following best describes the purpose of random assignment in an experiment?

According to the lecture, we explored the recommended strategies for structuring the order of survey questions.   Which of the following is true? 

__________ scale classifies data into categories or classes without any order.  

__________ is one of the in-depth interview techniques in which a researcher plays a shopper’s role. The goal is to observe how sales associates or employees interact with customers at the point of sale. 

Below is an example survey question. Read it carefully and answer the following.    “How many hours did you spend using social media last year?”    1. In 1~2 sentences, identify a major problem associated with the survey question wording above.  2. Rewrite the question wording to address the problem you just identified.