A quantitative sampling technique where participants are selected from a larger potential group of eligible individuals, such that each person has the same fixed probability of being included in the sample.

PSYCHOLOGY RESEARCH AND ETHICS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Stratified Random Sampling
B	Self-selected sampling
C	Random sampling
D	Opportunity (convenience) sampling

Explanation:

Detailed explanation-1: -"Snowball” sampling: in this case, the researcher selects an initial group of individuals. Then, these participants indicate other potential members with similar characteristics to take part in the study.

Detailed explanation-2: -Probability sampling means that every member of the population has a chance of being selected. It is mainly used in quantitative research.

Detailed explanation-3: -Simple random sampling. In simple random sampling (SRS), each sampling unit of a population has an equal chance of being included in the sample. Consequently, each possible sample also has an equal chance of being selected. To select a simple random sample, you need to list all of the units in the survey population.

Detailed explanation-4: -Stratified random sample: The population is first split into groups. The overall sample consists of some members from every group. The members from each group are chosen randomly.

Detailed explanation-5: -Probability sampling: Probability sampling is a sampling technique where a researcher selects a few criteria and chooses members of a population randomly. All the members have an equal opportunity to participate in the sample with this selection parameter.

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AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

PSYCHOLOGY RESEARCH AND ETHICS