Answer: "Time spent playing video games should be limited because they have a negative influence on teens." is an effective claim.
Step-by-step explanation:
This statement is an effective claim because it presents a clear and specific argument, namely that video game play should be limited due to its negative impact on teenagers. The statement is also concise and to the point, making it easy for the audience to understand the main idea. Additionally, the use of the word "because" implies that the speaker has evidence or reasons to support their claim.