Use the paragraph to answer the question.
Go-well Vitamins are made especially for teenagers. They make your skin shiny and clear. Mrs. J. Rice reports that her daughter's skin has improved dramatically, thanks to Go-well Vitamins. "I love what Go-well has done for me," Lily Rice confirms. Go-well is making teens happy throughout the Midwest. Bottles are flying off the shelves.
Why is the claim about the vitamins unsupported by sufficient evidence?
(1 point)
Responses
The passage includes references to scientific research.
The passage includes references to scientific research.
The passage centers on a personal testimonial.
The passage centers on a personal testimonial.
The passage includes references to emotions.
The passage includes references to emotions.
The passage uses a figure of speech in the last line.
The passage uses a figure of speech in the last line.
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The claim about the vitamins is unsupported by sufficient evidence because:
The passage centers on a personal testimonial.
Personal testimonials can be subjective and do not constitute rigorous scientific evidence. To support the claim adequately, the passage would need to include references to clinical studies or research that confirm the efficacy of Go-well Vitamins for improving skin quality in teenagers.