Psychology Chapter 2:

Which research design is focused on gathering information about self-reported perceptions or attitudes through questionnaires?

• survey method 
• correlational study 
• naturalistic observation 
• case study

Professor Ober carefully monitors and records the behaviors of children on school playgrounds to track the development of their physical skills. Professor Ober is engaged in:

• experimentation. 
• replication. 
• survey research.
• naturalistic observation. 

Researchers who study single individuals in depth in order to uncover general principles of thinking and behavior are using which research method?

• experimentation 
• correlational study
• naturalistic observation 
• case study

Which ethical principle requires that at the end of the study participants be told about the true purpose of the research?

• Institutional Review Board Approval
• Informed Consent
• Confidentiality
• Debriefing

A researcher wants to conduct an experiment to determine if eating a cookie before class each day improves student grades.  He uses two psychology classes for the experiment, providing daily cookies to one and nothing to the other.  At the end of the semester, the researcher compares the final grades of students in the two classes. What is the independent variable for this experiment

• The students in the class that received the cookies
• The presence or absence of the cookies
• The students in the class that didn't receive cookies
• the period of the day that the two classes met

Dr. Schulte wants to investigate if aggressive behavior in children is increased if they view violent videos.  In this instance, the dependent variable is

• 
  violent videos
• 
  aggressive behavior
• 
  a placebo
• 
  the control condition

Johnny is part of a study designed to test the ability of a pill to cure the migraines of people who experience chronic migraines. After a few days, Johnny finds that the pill has alleviated his migraines and he experiences far fewer than usual. However, unbeknownst to Johnny, the pill he has been taking is nothing more than a sugar pill. What effect is Johnny most likely under the influence of?

• The Stratified Effect
• The Self-Bias Effect
• The Placebo Effect
• The Psychoanalytic Effect

Which of the following describes an independent variable within an experiment?

• a measured factor within an experiment that the the researcher cannot change and depends on the independent variab
• variables that are eliminated or removed in order to see the relationship between the independent and dependent variables
• a measured factor within an experiment that the researcher can change
  
• a factor within an experiment that is considered extraneous, it also correlates with the dependent or independent variable
  

An experiment is performed to see if background music improves learning.  Two groups study the same material, one while listening to music and another without music. The independent variable is

• learning
• size of group
• material studied
• presence of music

John studies the effects of alcohol on the behavior of college students.  For his study, he spends 5 hours  every night for 2 weeks at a bar near a college watching how the patrons  act before and after drinking alcoholic beverages.   John is employing 

• a controlled experiment
• survey
• test
• naturalistic observation