what is a gateway hypothesis

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1. Hypothesis

   

2. Shutting the door on Gateway Hypothesis

   

3. Laugh till I Seek: A Reassessment of the Gateway Hypothesis

   

4. (PDF) Ready for Retirement: The Gateway Drug Hypothesis

   

5. What Is a Hypothesis?

   

6. (PDF) Revisiting the Gateway Hypothesis by considering the effect of age-of-first use on