Answer:
Step-by-step explanation:
The psychologist, Edward Spector, is expressing his concern for the way teens of this generation are addicted to their phones.
He likens the teens to guinea pigs in an experiment because this is a relatively new field entirely, and such an addiction to technology has never been seen.
Therefore, we are yet to fully ascertain what the effects of being addicted to smartphones truly are, especially the health effects on teenage brains that are still developing.