Research Methods 2018-Stevenson

each time a study is repeated, the results are consistent.

• validity
• reliability
• sample

The factor the researcher manipulates in a controlled experiment

• dependent variable
• independent variable
• confounding variable

The subgroup of the sample that receives the independent variable.

• experimental group
• control group
• population

In a double-blind procedure, who is unaware of the experimental group assignment?

• The experimenter
• The participants
• Neither the experimenter nor the participants are aware
• Both the experimenter and participants are aware

Mary watches several different species of birds to discover how they feed their young in their habitat, without being intrusive. This would be an example of what type of study?

• Case study
• Naturalistic observation
• Survey
• Experiment

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

In a study of effects of alcohol on driving ability, the control group should be given

• a high dosage of alcohol
• one-half the dosage given the experimental group
• a driving test before and after drinking alcohol
• no alcohol at all

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

Which method of study should a psychology researcher use if she is interested in testing whether a specific reward in a classroom situation cause students to behave better?

• Case Study
• Experiment
• Survey
• Naturalistic Observation

"Monday Morning Quarterback" rarely act surprised about the outcome of the weekend football games.  This tendency to believe they knew how the game would turn out is best explained by which psychological principle?

• Overconfidence
• Hindsight Bias
• Intuition
• Illusory Correlation