SAMPLE TYPES

SAMPLE TYPES

1. TYPES

   • PROBABILITY
     • simple random
       • each sample of the same size has an equal chance of being selected
         • real ex: one day we were in 6 grade and one friend stand up and tells how whant this 5 chocolate 11 persones tell that me he choses randomly persones with his eyes close
         • real ex: we were in pe and we were playing football in one moment of the match one friend need to pas the ball to a player she chose fast and paset to me out of 4 persones that she can pased
         • real life
         • charasteristic
         • A simple random sample is meant to be an unbiased representation of a group and simple random sample using a couple of methods
     • stratified random
       • divide the population into groups called strata and then take a sample from each stratum
         • real ex: is when one day iwas taking all the soccer teams of colombia to see how many are in a league
         • real ex: how many people in his classroom birth is in each month. i will dividing the month and people birth in each month into groups.
         • real life
         • charasteristic
         • about collections of specific target audiences or demographics. and result of a type of sampling procedure that is both stratified and probabilistic
     • systematic
       • randomly select a starting point and take every piece of data from a listing of the population
         • real ex: when a have notes in hight or higher i have good coments of my parents
           • real life
         • real ex: when they past every 8 days my parents give me money be giving good grades
         • charasteristic
         • In a systematic sample, chosen data is evenly distributed and is popular with researchers because of its simplicity
     • cluster
       • divide the population into strata and then randomly select some of the strata .
         • real ex: one day in math the mister choses teams of 4 members and when they finish the work he will choses randomly a persone of each group to represented
         • real ex: one day in pe the mister do two grops of 11 persones and when the mister tell that random number the number that each one have need to run to take a soucer
         • real life
         • charasteristic
         • all the subjects from the entire population right off and takes several steps in gathering his sample population.
     • multi-stage
       • divided into smaller clusters in several stages in order to make primary data collection more manageable.
         • real ex: one time when i was entering to a new school they need to have levels of inteligence too the persone that enters by levels of inteligends is between transision or ginder
         • real ex: one day i was in a pijama party and we need to go too mac donalds to eat there were 3 cars in each car there can go 5 persones we need to choses randomly in wish car we need to go
         • real life
         • charasteristic
         • can help reduce costs of large scale survey research and limit the aspects of a population which needs to be included within the frame for samplin
   • NON-PROBABILITY
     • purposive
       • that is selected based on characteristics of a population
         • real ex: one day i go to exito and i was looking for candies bad i whant a specific candie that i like and i find it that was milkyway
         • real ex : in monday i waas looking for a spesific tv show for i can see and i investigate about all i want to see .
         • real life
         • charasteristic
           • When a targeted sample needs to be reached quickly and make it possible to make generalizations from the results that are being studied.
     • convenience
       • The subjects are selected just because they are easiest to recruit where subjects are selected of their convenient accessibility and proximity to the researcher.
         • real ex : one day i was looking in a website questions about some videos games that i play.
         • real ex the school tell us to answers some questions of the schhool
         • real life
         • charasteristic
         • sampling technique where subjects are selected because of their convenient and In all forms of research, it would be ideal to test the entire population
     • snow ball
       • Identify potential subjects in the population. Often, only one or two subjects can be found initially.
         • real ex: one day i doing a work and them i have a question for my friends and them he tell me ask another persone and the other persone tell me the same until the mister explanme
         • real ex :in a homework they tell me that do a family tree and in all that i need to repeat all the last names again and again.
         • real life
         • charasteristic
         • dentify potential subjects in the population. Often, only one or two subjects can be found initially. and
     • quota
       • representative individuals are chosen out of a specific subgroup
         • real ex: one day i was in groups that need to be in equal sequetions of mens and fmails will be 2 boys and to girls and were 10 boys and 10 girls in a group
         • real ex :when i was in my cosen birthday the food was going first for the ladies and the persones that come first .
         • real life
         • proportions of individuals as the entire population with respect to known characteristics, and the researcher must identify the proportions of these subgroups in the population;
       • charasteristic