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DIFFERENT METHODS OF COLLECTING INFORMATION METHOD

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DIFFERENT METHODS OF COLLECTING INFORMATION METHOD Powered By Docstoc
					                     DIFFERENT METHODS OF COLLECTING INFORMATION
      METHOD                    ADVANTAGES               DISADVANTAGES
Surveys          Mail     •    Can survey many people                  •   Difficult to get much detail
                          •    Not time-consuming                      •   Sometimes difficult to get correct
                          •    Relatively inexpensive                      addresses
                          •    Everyone gets the same instrument       •   May be problems with interpreting
                          •    Objective Interpretation                    questions
                                                                       •   Sometimes a problem getting
                                                                           surveys completed and returned
            Group-        •    Can survey many people                  •   May be problems with interpreting
       Administered
                          •    Not time-consuming                          questions
                          •    Relatively inexpensive                  •   Difficult to get much detail
                          •    Everyone gets the same instrument
                          •    Objective interpretation
                          •    Relatively inexpensive
            Telephone     •    Able to ask for more detail when        •   Sometimes difficult reaching people
                               needed                                  •   Lack of anonymity
                          •    Everyone gets the same instrument
Interview                 •    Researcher can know how people          •   Time-consuming
                               are interpreting questions              •   Because of time, can limit sample
                          •    Able to ask for more detail when            size
                               needed                                  •   Subjective interpretation
                          •    Provide detailed data                   •   Can be expensive
                                                                       •   Can be difficult to analyze
Focus Group               •    Researcher can know how people          •   Group setting may inhibit some
                               are interpreting questions                  individuals from providing
                          •    Able to ask for more detail when            information
                               needed                                  •   Sometimes hard to coordinate
                          •    Able to interview multiple people at        multiple schedules
                               one time, thus, more cost-effective     •   Responses from one person
                          •    Responses from one person                   provide stimulus for other people
                               provide stimulus for other people
Observation               •    Objective interpretation                •   Time-consuming
                          •    Low burden for people providing         •   Some items are not observable
                               data                                    •   Can be expensive
                                                                       •   Participant behavior may be
                                                                           affected by observer presence
Student Records           •    Objective interpretation                •   May not correspond to exactly what
                          •    Low burden for people providing             researcher wants
                               data                                    •   May be incomplete or require
                          •    Relatively inexpensive                      additional interpretation
                                                                       •   May need special permission to use
Collection of Materials   •    Objective interpretation                •   May not correspond to exactly what
                          •    Low burden for people providing             researcher wants
                               data                                    •   May be incomplete or require
                          •    Relatively inexpensive                      additional interpretation




An Educator’s Guide to Evaluating the Use of Technology in Schools and Classrooms                         Page 32

				
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