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Class Experiment

Class Experiment. Psych 231: Research Methods in Psychology. CITI training due to me today (turn it in as you leave if you haven ’ t already) Next week In labs: your group project introduction sections are due

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Class Experiment

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  1. Class Experiment Psych 231: Research Methods in Psychology

  2. CITI training due to me today (turn it in as you leave if you haven’t already) • Next week In labs: your group project introduction sections are due • Each of you have homework THIS WEEKEND– find and test two people for the class experiment Announcements

  3. Today going to go over the design and procedures for the class experiment. • Make sure that you download the experiment packet and test your participants this weekend • This is what you are writing the Class Experiment APA style paper based on. • You (as a group) are providing the data that you will be basing the results section on • You will also be writing up the Methods section, so knowing what was done is important • You will also be writing up the introduction section, so it is important to understand what the relevant variables are and how they are related to theories and past research. Class experiment

  4. Instructions (1/2 the class): • I’m going to read a list of words. • Please listen to each word on the list. After each word I’d like you to respond ‘Yes’ or ‘No’ whether the word has a letter ‘A’ in it • After I’m done, please count backwards (aloud) 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. Any questions? Memory Demonstration

  5. Instructions (the other 1/2 of the class): • I’m going to read a list of words. • Please listen to each word on the list. After each word I’d like you to respond ‘Yes’ or ‘No’whether the word is something that you associate with yourexperience at Illinois State University • After I’m done, please count backwards (aloud) 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. Any questions? • Read list • 537 Memory Demonstration

  6. Please recall as many of the items now (write them down). • We’ll check these in a few mins. Recall

  7. Please recall as many of the items now (write them down). • Check: car hammer fate happiness book effort bird money hope knowledge apple interest theory ocean pencil moral microscope anger chance baby Recall

  8. I have put the materials together and posted them on the syllabus (click on “class experiment”) • Your homework is to • Download “Exp packet” • Find two volunteers • Collect some data • Bring the data back to class on Monday • I will compile and analyze the results • You will go over the summarized results in labs Class experiment

  9. I have put the materials together and posted them on the syllabus (click on “class experiment”) • Your homework is to • Download “Exp packet” • In the packet you’ll find: • Instructions • To create the stimuli • To read to your participants • For compiling the data (data sheet provided) • Two consent forms • Debriefing sheet Class experiment

  10. What variables might influence performance on a memory task like this? • We have selected two things: • Type of word - abstract or concrete • Level of processing - how “deeply” the words are processed The issues

  11. What variables might influence performance on a memory task like this? • We have selected two things: • Type of word - abstract or concrete • Level of processing - how “deeply” the words are processed The issues

  12. car hammer fate happiness book effort bird money hope knowledge apple interest theory ocean pencil moral microscope anger chance baby Word type

  13. Go ahead and count up how many abstract and how many concrete words you remembered. car hammer fate happiness book effort bird money hope knowledge apple interest theory ocean pencil moral microscope anger chance baby Concrete words Abstract words Source similar to: Altarriba, Bauer, & Benvenuto (1999). Concreteness, context availability, and imageability ratings and word associations for abstract, concrete, and emotion words. Word type

  14. What variables might influence performance on a memory task like this? • We have selected two things: • Type of word - abstract or concrete • Level of processing - how “deeply” the words are processed The issues

  15. Two levels of processing: Shallow: Is there an “a” Deep: Related to ISU BOOK CAR DESK DRESSER FLOWER MAGAZINE happiness happiness Levels of processing

  16. What are the issues that we’re looking at? • What is the Dependent variable? • Construct? • Operationalized? • What is/are the Independent variable(s)? • Word type • Op: words rated as abstract or concrete • Level of processing • Op: Shallow processing: “does word have an ‘a’ in it?” Deep processing: “is the word related to ISU experience?” memory accurate recall of words from list The issues

  17. How many conditions do we have? • What is the design of the study? • 2 factors Level of processing “a” in it ISU related Abstract Word type Concrete • What are your predictions? The design

  18. Find 2 volunteers • Test each participant (one-at-a-time, in one of the conditions) • Following presentation of the word list • Have them count backwards by 3s for 15 sec. • Ask them to recall as many of the words as they can (have them write them down) • Shuffle the word order (the cards) before each participant • Count up the number of correctly recalled abstract and concrete words and enter this information into the data summary sheet • Bring the data back to class on Monday The Procedure

  19. What do we need to control? • Presentation rate • Amount of time for recall • Number of items on the list • Actual items on the list • Any other things we need to think about? • Ethics • Consent form, debriefing • I have create these and they are part of the experiment packet that you download 1 second per item 90 seconds 20 items Same concrete and abstract words The design

  20. Complete APA style research report • Intro • There are 3 required readings which you must include these in your introduction • Kroll & Merves (1986) • Craik & Tulving (1975) • Groninger & Groninger (1982) • Additionally, you must find at least 1 additional article to include in your introduction • Methods, Results, Discussion, References, etc. • Two drafts (see web pages for specific details) • 1st: due week 9 • Final: due week 14 The class paper

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