Research.  Random Sample : Each member of the population has an equal chance of being included in the sample.  Problem of Refusal (or nonresponse) :

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Presentation transcript:

Research

 Random Sample : Each member of the population has an equal chance of being included in the sample.  Problem of Refusal (or nonresponse) : People refuse to participate.  Volunteer Bias : When the researcher studies people who agree to be in the research.

 Purposeful distortion : Intentionally giving self-reports that are distortions of reality.  Memory : It is difficult to remember facts accurately.  Difficulties with Estimates : It is difficult to estimate time, especially when engaged in an absorbing activity.

 Test-Retest Reliability :  Obtaining independent reports from two different people who share sexual activity is another method of assessing reliability.  Face-to-face or phone interview:  Can be administered to people who cannot read or write.  Written questionnaire:  Respondents may be more honest because they are more anonymous.

 Computer-assisted self-interview method (CASI):  Offers privacy of written questions while accommodating poor readers.  Can be programmed to vary sequences of questions just as a human interviewer does.  Surveys administered on Web sites:  Can recruit much larger samples.  Can locate stigmatized minorities.

 Direct observations are most accurate.  Problems: expensive, time-consuming, & sexual behavior in the laboratory might be inhibited.

 Gender, race, or age of the interviewer may influence the outcome of sex research.  Male and female respondents prefer a female interviewer.  Wording of questionnaires influence sex research.  Informed Consent:  Participants have a right to be told the purpose of the research is and what they will asked to do.  They may not be forced to participate or continue.  People may not be coerced to be in a study.

 Protection from harm:  Investigators should minimize the amount of physical and psychological stress to people in their research.  Anonymity of response is important to ensure that participants will not suffer afterward for their participation.

 The Kinsey Report: Done during 1940s.  The National Health and Social Life Survey (NHSLS): Best sex survey of the general population of the United States that we have today.  Sexual Behavior in France and Britain: Data collected in 1991 and 1992 on the AIDS crisis.  1997 Survey of African American and Hispanic Youth focused on sexual relationships.  Magazine surveys are biased.

 1996 : Project Sigma studied sexual behavior of gay men in the AIDS era.  Masters & Johnson: The Physiology of Sexual Response  Sampling was participants from general population who engaged in sexual behavior in the laboratory. ______________________________________________________________  Participant-Observer Technique:  The scientist becomes part of the community to be studied.  Humphreys: The Tearoom Trade (1970) was controversial due to no informed consent or explanations to subjects.

 Researcher Charles Moser observed sadomasochistic interactions in semipublic settings.  Parties typically are highly scripted.

 Experiment: One factor must be manipulated while all other factors are held constant.  Experimental Design:  Independent variable is manipulated.  Dependent variable is measured.  The mean is the average of the scores of all the people.

 Incidence Versus Frequency:  Incidence - Percentage of people giving a particular response.  Frequency - How often a person does something.  Correlation - Number that measures the relationship between two variables.