For a causal relationship to exist there must be evidence

A sampling interval of 5 was used to select a sample from a population of 1,000. How many elements are to be in the sample?

Which section of your paper includes: the research design, the sample, data collection procedures, and limitations of the study?

Dr. Khalil wants to understand the barriers undocumented immigrants face when accessing healthcare in the United States. Because many potential participants fear exposure or deportation and are reluctant to participate in formal studies, he begins with a few trusted community contacts who introduce him to other undocumented individuals willing to share their experiences.  Which sampling strategy is most appropriate for this type of study?

Omar is researching the relationship between time spent on social media and levels of loneliness among college students. They predict that students who spend more hours per day online will report higher loneliness on a standardized scale. Which type of research is this?

The following exemplifies an improper way to ask a question: “Are you satisfied with this textbook and with your research instructor’s teaching style?

If a qualitative researcher wanted to learn a community organization’s pattern of recruitment over time, the researcher might begin by interviewing a fairly recent recruit and asking who introduced that person to the organization. Then the researcher might interview the person named and ask who introduced that person to the community organization. This would be an example of

Which of the following statements is (are) true regarding practice effectiveness?

The questionnaire item “Did you file federal and state income tax reports last year?” with a response set of yes, no, can’t remember, other, is an example of

Antonio wants to learn how recently released women from a correctional facility experience the transition to community life. He conducts open-ended interviews without predetermined hypotheses.  What type of research is Antonio conducting?