Topic 7. ST

It is the finite or infinite set of elements with common characteristics from which the research findings are obtained.

• Sample

• Population

• Community

• Society

it is a smaller and specific group selected to collect data from.

• Population

• Society

• Sample

• Community

A sample must reflect the characteristics of a larger population. Sample must be:______________

It's based on the random selection of individuals from the population or the fact every individual has the same probability to be chosen. This is called the equiprobability principle.

• Intuitive sampling

• Non-probability sampling

• Methodology sampling

• Probability sampling

Individuals are chosen by the researcher considering related causes and depending on the decision process of a person or group.

• Probability sampling

• Non-probability sampling

• Intuitive sampling

• Methodology sampling

Example of non-probability sampling:

• Simple random sampling

• Cluster sampling

• Snowball sampling

• Stratified sampling

Example of probability sampling:

• Systematic sampling

• Empirical sampling

• Pseudo-random sampling

• Casual sampling

It is the mechanism that helps researcher to collect and register data. Examples are: interviews, surveys, focus groups.

You can choose an instrument already developed and available or you can create a new instrument according with the right and appropriate technique.

• True

• False

The following are steps to collect data except:

• Apply the instruments

• Codify the data

• Achieve data and prepare it for analysis

• Review the variables