RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE
THE SCIENTIFIC METHOD AND DESCRIPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Random sample
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Representative sample
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Population
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Sampling bias
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Detailed explanation-1: -In statistics, a population is the pool of individuals from which a statistical sample is drawn for a study. Thus, any selection of individuals grouped by a common feature can be said to be a population. A sample may also refer to a statistically significant portion of a population, not an entire population.
Detailed explanation-2: -A group of interacting populations forms a community.
Detailed explanation-3: -Language of Statistics The entire group to be studied is called a population. An individual is a person or object that is a member of the population. A sample is a subset of the population (typically more than a single individual). A statistic is a numerical summary of a sample.
Detailed explanation-4: -A research subject is an individual that participates in research. Information (or ‘data’) is collected from or about the individual to help answer the question under study. Sometimes research subjects are referred to as human subjects, research participants or study volunteers.