Psychology - Research Methods 1
What is the major advantage of experimental research as compared to other research methods?
It can be used to establish causality.
What is the main disadvantage of experimental research as compared to other research methods?
It may have low external validity.
What is the difference between a population and a sample in research?
A population is the entire group of individuals that a researcher is interested in studying, while a sample is a smaller group of individuals that are selected from the population to participate in the study.
What is a confounding variable in research?
A variable that is related to both the independent and dependent variables but is not the focus of the study.
What is a double-blind study?
A study in which neither the participants nor the researchers know which group is the experimental group and which group is the control group.
What is a quasi-experimental study?
A study that lacks one or more of the characteristics of a traditional experimental design.
What is a correlation coefficient?
A statistical measure of the strength and direction of the relationship between two variables.
What is an operational definition?
A definition of a variable in terms of the procedures used to measure or manipulate it.
What is a case study?
An in-depth analysis of an individual, group, or event.
What is a survey?
A study that involves the collection of data from a sample of individuals through the use of questionnaires or interviews.
What is a random sample?
A sample in which every member of the population has an equal chance of being selected.