Final Exam ReviewExperimental Methods PSYC 2950.002 Spring 2012
A note:• You are welcome to review your previous exams in preparation for the final exam.• If you’re interested in doing so, e-mail me @ firstname.lastname@example.org to schedule a time.
Chapter 1 Intro to Scientific Research• What is a theory?• Methods of conducting science – Induction/Deduction – Hypothesis Testing – Naturalism• Assumptions Underlying Research – Determinism – Reality in Nature – Discoverability
Chapter 2 Research Approaches and Data Collection Methods• Non-experimental quantitative research• Claiming cause and effect• Psychological experiment• Quantitative vs. Qualitative Research• Mediator/Moderator• Experimental research settings
Chapter 3 Problem Identification and Hypothesis Formation• Parts of a research paper• Sources of research ideas – Literature review• Research idea, research problem/question, hypothesis• Order of operations – get research idea – review the literature – determine feasibility of study – formulate the research problem – formulate the hypothesis – collect the data
Chapter 5 Measuring Variables & Sampling• Scales of Measurement• Reliability• Validity• Relationship between reliability & validity• Sampling – Benefits of random sampling
Chapter 6 Research Validity• Types of validity• Threats to validity* Internal/External validity – relationship between
Chapter 4 Ethics• Areas of ethical concern• Informed Consent• Assent• Debriefing• Role of IRB
Chapter 8 Experimental Research Design• Weak experimental designs – What’s missing?• Strong experimental designs – What makes them strong designs?• Between-participant designs• Within-participant designs• Factorial designs
Chapter 7 Control Techniques in Experimental Research• Random assignment vs. random selection• Control by matching – For what kind of design?• Counterbalancing – For what kind of design and what kind of effects?• Control for Participant Effects• Control for Experimenter Effects
Chapters 14 & 15 Statistics Review• Inferential Statistics• Graphical representation of data• Measures of Central Tendency• Nature of hypothesis testing – Type I / Type II error• What’s the appropriate statistical test? – Correlation -- one-way ANOVA – Ind. Samples t test -- factorial ANOVA – Paired samples t test
Chapter 10 Quasi-Experimental Designs• Where do quasi-experimental designs fit in the continuum of weak to strong designs?• What is the primary difference between quasi- and strong experimental designs?• What conditions are required to infer causation from quasi-experimental designs?
Chapter 11 Single-Case Research Designs• Single case designs – ABA – ABAB – Multiple baseline design – Changing criterion design
Chapter 12 Survey Research• When to use survey research?• Primary survey designs – Cross-sectional, longitudinal• Primary data collection methods – Questionnaires, interviews, web-based, paper- based• Guidelines for evaluating (or creating) surveys• Sampling issues
Chapter 13 Qualitative & Mixed Methods Research• Definition of qualitative research• Nature of qualitative research – Vs. quantitative• Validity in qualitative research – Types & strategies to improve – ways to reduce researcher bias• Types of qualitative studies• Importance and types of triangulation