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Sampling methods

survey research

survey instrument

sampling method

research participant

research method

research design

a woman sitting at a table with a laptop

a woman sitting on a couch looking at a tablet

a man sitting on a couch looking at his cell phone

a man standing in front of a bus stop looking at his cell phone

a bald man sitting in front of a laptop computer

a woman sitting on a bench looking at her cell phone

two gray blister packs

pink and white wings illustration

person holding black samsung android smartphone

blue and white labeled blister pack

a person sitting on the floor using a laptop

a man sitting on a couch looking at his cell phone

a person sitting on a bench using a cell phone

a woman sitting on a bench looking at her cell phone

black android smartphone displaying man in brown jacket

man in black long sleeve shirt playing audio mixer

blue and white labeled blister pack

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