Lab 301

1
Lab 301

• Week 3 - Tuesday
• Memory Experiment

2
Todays Agenda

• Quiz 2
• Go over graded observational MR
• Go over SPSS data entry (from survey study)
• Answer questions about hw for next time
• Memory Experiment!
• Intro to background for memory experiment
• Discuss HW and upcoming assignments
• Hand back Observational Methods Results
  write-up and homework

3
Observational MR

• Meanabout a 94 (18.8/20)
• Overall, strengths
• Writing style
• APA format
• Describing what you did
• Things to work on
• Choosing which statistics to use in the results
  section
• The meaning of the words, random and
  significant
• Remember, if its 10 or greater, use the number
  value, and if its nine or less, spell it out

4
Remember

• Choosing which statistics to use in the results
  section
• Quantitative data Means, Median, Mode
• Categorical data Percentages
• Example If you observe 20 people wearing red
  shirts and 30 people wearing blue shirts, 40 and
  60 UNLESS you measure this across SEVERAL
  sessions
• Example If you observe and record the happiness
  level of 50 people on a numerical scale (e.g.,
  from 1 to 5), then you can take the mean, median,
  and mode of happiness
• Random selection (each participant in the
  population of interest has the same chance of
  being chosen)
• Randomized/randomization (each participant has an
  equal chance of being placed into each group)
• Significant (a statistical termnot due to
  chance)

5
Last Weeks Assignment Methods Results

• Decoding feedback on papers
• Awk awkward phrasing
• Sp spelling error
• WC word choice (choose a different word)
• Word-shaped squiggly lines youll have to ask me

6
The Results of Last Weeks Study

• You should have received the results from me via
  email
• What did we do?
• Who participated?
• What materials did we use?
• What was the procedure?
• What were our hypotheses?
• What can our data tell us? What cant it tell us?
  Why?
• What did we find?
• What do the results mean?

7
Memory Experiment
8
The Roediger-McDermott Paradigm

• How many words did you recall total?
• Did you recall any of the following words
• Bread, chair, doctor, sleep, sweet
• What are the different conditions and which
  condition do you think is more likely to recall
  the critical lures? Why?
• As you read Roediger McDermott, think about how
  their research applies to what we just did. What
  did they find?

9
Why is False Memory Important to Study?

• Eyewitness testimony in court
• The misinformation effect
• Uncovering repressed memories of childhood abuse

10
Entering Data into SPSS

• Now enter your data into SPSS, labeling the
  variables as Words Recalled and Lures
  Recalled
• Let me know if you have questions
• Turn in paper with ACTUAL words and CRITICAL
  LURES with your name on it!!

11
Next Weeks Assignments

• 1. Using the materials I will be emailing you,
  collect data from 3 of your friends (worth 10
  points)
• Please hand in your RAW data (i.e., the paper
  that your participants recorded their responses
  on)
• 2. Read the articles I will email you good to
  get started asap because you will need to find 1
  more article on your own
• 3. Complete your Methods Results section from
  last weeks study (the survey)