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					Class Experiment
Psych 231: Research
Methods in Psychology
Memory Demonstration
   Instructions:
       I’m going to read a list of words.
       After I’m done, please count backwards by threes
        from the number that I give you.
       Then I’ll tell you to write down as many of the words
        as you can.


   Read list
   683
Recall
   Please recall as many of the items now (write
    them down).
   Check:
              Nap      Blanket
              Pillow   Snooze
              Dream    Snore
              Doze     Wake
              Bed      Drowsy
Reconstructive memory
   Our memories aren’t perfect
       We forget things
       We actively construct memories from bits and
        pieces
       More than that, we may actually make some
        things up sometimes (to fill in gaps)

   How many people thought “sleep” was on the
    list?
Reconstructive memory
   Applied situation
       Eye witness testimony      What affects the
                                    memory of the
                                    event?
                                       What they saw
                                       How long ago
                                       What sort of cues
                                        do they get
                                       How they are
                                        asked about it?!
Class experiment
   Today going to go over the design and
    procedures for the class experiment.
       I have put the materials together and posted them
        on the web site
         • Syllabus, class experiment, download from the green
           box
Class experiment
   Your homework is to
       download these
       find some volunteers (2 people)
       collect some data
       Bring the data back to class on Monday
   I will compile and analyze the results
   Based on this experiment and these results
    you will produce an APA style research
    report
Class experiment
   In the packet you’ll find:
       Instructions
       Materials
       Response sheets
       Two consent forms
       Debriefing sheet
Class experiment
   Participants will be given a brief description of an
    automobile accident
   Later they will be asked to questions about the
    accident
Class experiment
 Some participants will see a “picture” of the
 accident, others will only read the description
"I was standing on the Northwest
corner of the intersection. Car 1
was approaching the intersection
from the North at about 30 mph.
Car 2 was approaching the
intersection for the East at about 30
mph. Neither car slowed as they
approached the intersection. Car 1
bumped Car 2 as it was going
through the intersection. I think Car
1 may have been running a red
light."           contacted     smashed
Class experiment
Some participants will see a “picture” of the
accident, others will only read the description



A - H run condition A
I - R run condition B
S - Z run condition C
Class experiment
   Following presentation ask your participant to:
       Please rate how much you think Car 1 is responsible
        (“at fault”) for the accident based on the eyewitness
        account you just read.
       How certain are you that your judgment in (1) above
        is correct?
       Please rate whether you think that there was broken
        glass at the accident scene
       How certain are you that your judgment in (3) above
        is correct?
The issues
   What are the issues that we’re looking at?
   What are your predictions?
       Intuitions
       Literature review: For your paper
         • There are three required readings (see web page).
             • You must include these in your introduction
         • Find at least 1 additional article to include in your
           introduction
The design

 What are our dependent variables?

 We have two (or four)

Construct:          Attribution of        Accuracy of
                         fault             memory

Operational DV:    Rating of fault     Rating for details
                                             (glass)
                  Confidence ratings    Confidence ratings
The design

What is/are our independent variables?

                         Factor A        Factor B

   Conceptual IVs:        Word             Pictorial
                          connotation    information

   Operational IVs:       Bumped          Present/
                          Smashed         Absent
                          Contacted
Other questions
 Procedures?
 What do we need to control?
 Ethics?
       Consent form, debriefing
         • I have created these and they are part of the
           experiment packet that you download
Exam 1
   Overall good job!
       Mean 80.9%

				
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posted:8/11/2012
language:English
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