Quantitative research involves numbers and measuring amounts and how much research you have received. The results of quantitative research are more numeric rather then in detail. This is becuase quantitative research would be research that may have been gathered by questionnaires- were close questions have been used therefore not exploring the feelings and attitudes. Quantitative research is usually sampled with a large number people and is frequently collected using questionnairs this may be because they are quick and can be distributed to a large audience.
Qualitative research involves gathering data that may not be easy to measure in terms of quantity this is because it is more in depth and tends to explore the feelings and attitudes of the people who are part of the research. Qualitative research is usually sample by a small number of people who may not be representitive however, they fulfill a given quota.
Simple Random Sample- Give everyone a number and then research is selected using a random number generator.
Systematic Random Sample- This is when everyone is assigned a number and depending on how much research you would like every nth number is selected.
Stratified Random Sample- people are put into groups then a group of people are chosen to use depending on age, sex, ethnicity, disability etc.
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