Practice Quiz 2 - Research Methods

What is the main ethical principle researchers must consider when conducting experiments involving human participants?

• Informed consent

• Researcher qualifications

• Sample size

• Experimental design

Which research design involves manipulating one variable to determine its effect on another?

• Case Study

• Experimental Design

• Survey Research

• Longitudinal Study

In an experiment, the variable that is manipulated by the researcher is called the:

• Control Variable

• Independent Variable

• Dependent Variable

• Moderator Variable

The variable that is measured to determine the effect of the independent variable is the:

• Independent Variable

• Dependent Variable

• Subject Variable

• Random Variable

What is a hypothesis?

• An observable fact

• A proven theory

• A testable prediction

• A general principle

A research study that collects detailed information about a single individual or a small group is known as a:

• Survey

• Longitudinal Study

• Case Study

• Experimental Study

Which of the following research methods does not allow for the determination of causality?

• Experimental Design

• Longitudinal Study

• Correlational Study

• Repeated Measures Design

In psychological research, what does "random assignment" mean?

• Selecting a sample at random

• Measuring variables at random times

• Assigning participants to groups randomly

• Randomly choosing variables to study

Which of the following best describes "internal validity"?

• The study can be generalized to other populations

• The study was conducted without bias

• The study accurately tests what it intends to test

• The study yields consistent results over time

Which research method involves observing subjects in their natural environment without intervention?

• Experimental Study

• Case Study

• Naturalistic Observation

• Longitudinal Study