Compare and contrasts the two design choices these researchers have taken. Specifically:  1) Identify which research design Max and Quan used in their studies.

Ciccarelli: Psychology_5 (5th Edition)
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Chapter1: The Science Of Psychology
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Max and Quan are researchers interested in understanding how personality is related to health. However, Max and Quan have designed two different studies to tackle this research questions. 

Quan asks participants to fill out an online survey about their Big Five traits and provide contact information for their doctors. Quan then reaches out to the participant's doctors and asks them to complete a survey about the participant's physical health. 

Max randomly assigns participants to one of two conditions. Participants in the first condition are asked exercise for at least 1-hour a day, eat a diet rich in vegetables, and sleep at least 8 hours each night for a whole year. Participants in the other condition are asked to avoid all exercise, eat a meat heavy diet, and sleep less than 8 hours a day for a whole year. Max then brings all of the participants into his lab and records the audio of participants while they get to know each other. Max codes these conversations for how extraverted participants were behaving.  

Compare and contrasts the two design choices these researchers have taken. Specifically: 

1) Identify which research design Max and Quan used in their studies.

2) Define two strength and one weakness for each of their designs, then provide an illustrative example for each strength and weakness using the context of this question.

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