logging in or signing up فصل ششم انواع تحقیق نظرخواهی E aSGuest121004 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 9 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: February 10, 2012 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Methods of survey research: Dr E brahimi Hadi taherpour kalantari P- hd studend of marketing management Hadi_taherpour@yahoo.com Methods of survey researchLearning Objectives:: Learning Objectives: To understand the reason for the popularity of survey research. To learn about the type of errors in survey research. To learn about the types of surveys. To gain insigh into the factors that determine the choice of particular survey methods.Survey:: Survey: Surveys often attemt to obtain infarmation from a representative cross section of a target population.Why those survey research popularited?: Why those survey research popularited ? Managers need to know WHY do or do not do something. Managers need to know HOW decisions are made. Managers need to know WHO.PowerPoint Presentation: The type of errors in survey research.PowerPoint Presentation: Measurment error Surrogate information error Processing error Response bias NonResponse bias Measurment instrument bias Iinterviwer error Total survey error Random error Selection error Frame error Population specification error Sample design error Systematic errorPowerPoint Presentation: Random error: error that result from chance variation. (chance varition : difference between the sample value and the true value of the population mean.PowerPoint Presentation: Systematic error : Error that results from problems or flaws in the execution of the research design, some times called non-sampling error.PowerPoint Presentation: Sample design error : Systematic error that result from an error in the sample design or sampling procedures.PowerPoint Presentation: Frame error : This error result from the use of an incomplete or inaccurtate sampling frame.PowerPoint Presentation: Population specification error results from an incorrect definition of the universe or population from which the sample is to be selected.PowerPoint Presentation: Selection error results from adopting incomplete or improper sampling procedures or not properly following appropriate selection procedures.PowerPoint Presentation: Measurement error occurs when there is a discrepancy between the information being sought and the information actuall y obtained.PowerPoint Presentation: Surrogate information error results from a discrepancy between the information actually required to solve a problem and the information sough by the researcher.PowerPoint Presentation: Interviewer error occurs when an interviewer influences a respondent to give untrue or inaccurete answers.PowerPoint Presentation: Measurement instrument bias is caused by problems within the questionnaire itself.PowerPoint Presentation: Processing error results from mistakes in the transfer of information from survey documents to the computer.PowerPoint Presentation: Non-response bias occurs when a particular individual in a sample cannot be reached or refuses to participate in the survey.PowerPoint Presentation: Response bias error that results from the tendency of people to answer a question incorrectly through either deliberate falsification or unconscious misrepresentation.PowerPoint Presentation: Processing error : That results from the incorrect transfer of information from a servey document to a computer.Several types of traditional surveys:: Several types of traditional surveys: Door-to-door interviews Mall-intercept interviews Executive interviews Central-location telephone interviews Computer assisted telephone interviews(CATI) Self administered questionnaires Mail surveys: ad hoc (one shot) & mail panelThe factors thet determine the choise of methods:: The factors thet determine the choise of methods: The degree of sampling precision required Budget size whether respondents need to react The quality of data required The length of the questionnaire Degree of structure of the questionnaire The time available to complete the survey. You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
فصل ششم انواع تحقیق نظرخواهی E aSGuest121004 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 9 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: February 10, 2012 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Methods of survey research: Dr E brahimi Hadi taherpour kalantari P- hd studend of marketing management Hadi_taherpour@yahoo.com Methods of survey researchLearning Objectives:: Learning Objectives: To understand the reason for the popularity of survey research. To learn about the type of errors in survey research. To learn about the types of surveys. To gain insigh into the factors that determine the choice of particular survey methods.Survey:: Survey: Surveys often attemt to obtain infarmation from a representative cross section of a target population.Why those survey research popularited?: Why those survey research popularited ? Managers need to know WHY do or do not do something. Managers need to know HOW decisions are made. Managers need to know WHO.PowerPoint Presentation: The type of errors in survey research.PowerPoint Presentation: Measurment error Surrogate information error Processing error Response bias NonResponse bias Measurment instrument bias Iinterviwer error Total survey error Random error Selection error Frame error Population specification error Sample design error Systematic errorPowerPoint Presentation: Random error: error that result from chance variation. (chance varition : difference between the sample value and the true value of the population mean.PowerPoint Presentation: Systematic error : Error that results from problems or flaws in the execution of the research design, some times called non-sampling error.PowerPoint Presentation: Sample design error : Systematic error that result from an error in the sample design or sampling procedures.PowerPoint Presentation: Frame error : This error result from the use of an incomplete or inaccurtate sampling frame.PowerPoint Presentation: Population specification error results from an incorrect definition of the universe or population from which the sample is to be selected.PowerPoint Presentation: Selection error results from adopting incomplete or improper sampling procedures or not properly following appropriate selection procedures.PowerPoint Presentation: Measurement error occurs when there is a discrepancy between the information being sought and the information actuall y obtained.PowerPoint Presentation: Surrogate information error results from a discrepancy between the information actually required to solve a problem and the information sough by the researcher.PowerPoint Presentation: Interviewer error occurs when an interviewer influences a respondent to give untrue or inaccurete answers.PowerPoint Presentation: Measurement instrument bias is caused by problems within the questionnaire itself.PowerPoint Presentation: Processing error results from mistakes in the transfer of information from survey documents to the computer.PowerPoint Presentation: Non-response bias occurs when a particular individual in a sample cannot be reached or refuses to participate in the survey.PowerPoint Presentation: Response bias error that results from the tendency of people to answer a question incorrectly through either deliberate falsification or unconscious misrepresentation.PowerPoint Presentation: Processing error : That results from the incorrect transfer of information from a servey document to a computer.Several types of traditional surveys:: Several types of traditional surveys: Door-to-door interviews Mall-intercept interviews Executive interviews Central-location telephone interviews Computer assisted telephone interviews(CATI) Self administered questionnaires Mail surveys: ad hoc (one shot) & mail panelThe factors thet determine the choise of methods:: The factors thet determine the choise of methods: The degree of sampling precision required Budget size whether respondents need to react The quality of data required The length of the questionnaire Degree of structure of the questionnaire The time available to complete the survey.