Chapter 2 quiz

A researcher wishes to study how personality traits change over the course of the lifespan. This will require studying the same group of individuals for several years. Which research method should be used for this study?

a longitudinal study

________ research uses past records or data sets to investigate research questions or to look for patterns or relationships.

archival

Dr. Mattar is interested in knowing more about brain injury to the occipital cortex, and he studies patients individually in order to gain in-depth knowledge about their behaviors. These studies would best be described as ________.

case studies

Which of the following research designs will allow cause-and-effect conclusions?

experimental

Dr. X wishes to study how college students interact in the student union. Which research method should he use?

naturalistic observation

Stan and Jenny are in a psychology course that requires them to repeat an experiment that researchers have conducted in the past, in order to determine whether they produce the same results. This is called ________.

replication

Which of the following is the strongest correlation?

-.67

A researcher develops a new drug (Drug X) for anxiety. He administers the drug to 1000 anxious persons to determine its effectiveness. What is the IV in this experiment?

Drug X

An ________ (IRB) reviews research that is conducted using human participants.

Institutional Review Board

Which of the following is not a characteristic of a good hypothesis?

It is complex.

A(n) ________ is a well-developed set of ideas that proposes an explanation for observed phenomena.

theory

The ________ group does not get the experimental treatment.

control

________ means that there is a relationship between two or more variables.

correlation

In __________research, a researcher compares multiple segments of the population at the same time.

cross-sectional

In a ________ study, both the researchers and the participants are unaware of the group assignments.

double-blind

The belief that strange behavior is linked to the occurrence of a full moon is an example of a(n) ________.

illusory correlation

A psychologist wishes to ensure that both his experimental group and control group are as similar as possible (e.g., having equal numbers of males and females). He can achieve this by using:

random assignment

A researcher wishes to study people's attitudes toward certain political candidates. Which research method would be used?

survey

The Dependent Variable (DV) in the previous question would be the:

the drug's effectiveness

Scientific knowledge is advanced through a process known as ________.

the scientific method