Dr. Garcia is interested in the neuroscience of sleep disorders. He recruits 25 participants from a nearby sleep center to participate in his fMRI study. He then asks them if they know other people who would be willing to participate. What kind of sampling is this?Group of answer choicesconvenience samplingself-selection samplingquota samplingsnowball sampling

The vast majority of psychology research uses __.Group of answer choicesself-selection samplingunbiased/probability samplingconvenience samplingsnowball sampling

This type of sampling is often used by market researchers. Interviewers are given a quota of subjects of specified type to attempt to recruit.Group of answer choicesQuota samplingSnowball samplingPurposive samplingConvenience sampling

A professor asks the first   students who arrive to class to participate in a research study about young adult sleep patterns.What type of sample is this?Choose 1 answer:Choose 1 answer:(Choice A)   Simple random sampleASimple random sample(Choice B)   Stratified random sampleBStratified random sample(Choice C)   Cluster random sampleCCluster random sample(Choice D)   Systematic random sampleDSystematic random sample(Choice E)   None of the aboveENone of the above

Professor Romano looks at ways to improve student learning. She wants to recruit participants at high schools in town to see how the use of repeated quizzing may boost performance on later exams. Because she works with the local public school system, they are willing to let her have access to any schools she wants. She randomly selects 5 schools, and within each school, she randomly selects 5 classes to participate in her study. What kind of sampling is this?Group of answer choicescluster samplingstratified random samplingsimple random samplingconvenience sampling

Aisha has to collect survey data for her class. She asks her friends and family members to participate, and she posts on social media to try to get people to participate. What kind of sampling is this?Group of answer choicescluster samplingself-selection samplingconvenience samplingquota sampling