Quiz 4 Flashcards
the data that you collect will depend on…
who is supplying it
what is an example of dependent data?
have you supported the arts in the past year?
- the involvement data collected will depend on the education level of the participants that were asked
what is a sample?
the group of people that you actually collect data from
where does a sample come from?
your study population
what is a population?
people who couldve been in your sample
- a general group of people who your study will represent
what is an example of a sample
your friends on campus
what is an example of a population?
Centre college students that you know
what population does our class represent?
psychology and BNS majors
what is the goal when choosing a sample?
a sample who is a good representative of the population
why is it important to have a sample that represents the population
it increases generalizability
(note that this can be very difficult)
why is it hard to get a sample that represents an entire population?
often we have to settle for who or what we have easy access to
aka convenience sample
a convenience sample for us specifically could be,
centre college students, however the issue with this is that there are 19M college students in the world and centre may not represent all of them well because it is in a rural area, it is much smaller than average
what are ways that you can sample a population?
- random sampling
- nonrandom sampling
what is random sampling?
(the best way to sample)
every person in the population has an equal chance to be chosen
(this is difficult for large populations where it is difficult to know everyone) ex. the centre college population
why is random sampling difficult?
you have to have a full list of every person in the population and their contact info
what is nonrandom sampling?
(the most common method) you use whoever is available and willing. ex.) psych 110 students
what is a potential issue with nonrandom sampling
often the participants are overwhelmingly WEIRD
Western
Educated
Industrialized
Rich
Democratic
why is having overwhelmingly WEIRD participants a bad thing?
67% of study participants are WERID and only 12% of the world is WEIRD,, this limits generalizability
what does it mean to sell samples?
companies like amazon will sell you access to broader samples
- participants will log into the websites and answer surveys for money
why are sold samples biased?
many of the people have lower incomes
most of the participants are proficient tech users
participants can lie
what are the different research settings?
lab research
field research
what is lab research?
- participants are recruited
- the participants come to you
- the research environment is kept the same
what is field research?
- participants are found
- you go to the participants
- the research environment is changeable
all participation for studies must be…
voluntary
what is a potential problem with volunteers
volunteers tend to be different from the average person