Psychological Research

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

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

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
  

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

An experiment where neither the participants nor the experimenter know who has received the treatment, until the experiment has concluded, is known as what?

• Random Experiment
• Single-blind Experiment
• Stratified Experiment
• Double-blind Experiment

The experimental factor that is manipulated; the variable whose effect is being studied.

• Experimental condition
• Control condition
• Independent variable
• Dependent variable

A specific, testable prediction, narrower than a theory

• Theory
• Hypothesis
• Critical thinking
• Psychological reasoning

In an experiment to test the effects of hunger on aggressive behavior, aggressive behavior would be the

• placebo
• control
• dependent variable
• independent variable

Positive or negative correlation?

The taller a person is, the more likely they are to hit their head on a door frame

• positive correlation

• negative correlation