Chapter 2 -Methods and Statistics in I-O Psychology
Chapter 2 -Methods and Statistics in I-O Psychology
Module 2.1 Science and Research
What Is Science?
-What is the name for a characteristic of scientists, who should be objective and uninfluenced by
biases or prejudices when conducting research?
-Disinterestednesshey are expected to be dispassionate about the results they expect that
research to yield
The Role of Science in Society
The importance of the scientific method for the impact of human resource and I‐O practices can O practices can
also be seen in society, particularly in the courts.
hiring, firing, pay increases, and harassment. In these lawsuits, I ‐O practices can O psychologists often testify as
expert witnesses
An expert witnessesis permitted to voice opinions about practices offer the opinion that an
employer was justified in using a test
Why Do I-O Psychologists Engage in Research?
Without access to scientific research, the individuals who make human resource (HR) decisions in
organizations would be in Murray’s position, unable to learn from mistakes develop a model of
a system—a theory—and predict the consequences of introducing that system or of modifying a
system already in place
importance of research in the scientist‐practitioner modelpractitioner modelEven though you may not actually
engage in scientific research, you will certainly consume the results of that research
Consider the example of hiring. Imagine that an organization has always used a first-come, first‐O practices can
served model for hiring this method does not give the employer the best chance of hiring
successful employees
Predictabilitybecause of decades of published research that form the foundation for our theory
of successful hiring
“theory.” Think of theories as either helpful or not helpful, rather than “right” or “wrong.”
theories provide meaning and specify which variables are important
Methods of Data Collection
-What is triangulation?
Chapter 2 -Methods and Statistics in I-O Psychology
Module 2.1 Science and Research
What Is Science?
-What is the name for a characteristic of scientists, who should be objective and uninfluenced by
biases or prejudices when conducting research?
-Disinterestednesshey are expected to be dispassionate about the results they expect that
research to yield
The Role of Science in Society
The importance of the scientific method for the impact of human resource and I‐O practices can O practices can
also be seen in society, particularly in the courts.
hiring, firing, pay increases, and harassment. In these lawsuits, I ‐O practices can O psychologists often testify as
expert witnesses
An expert witnessesis permitted to voice opinions about practices offer the opinion that an
employer was justified in using a test
Why Do I-O Psychologists Engage in Research?
Without access to scientific research, the individuals who make human resource (HR) decisions in
organizations would be in Murray’s position, unable to learn from mistakes develop a model of
a system—a theory—and predict the consequences of introducing that system or of modifying a
system already in place
importance of research in the scientist‐practitioner modelpractitioner modelEven though you may not actually
engage in scientific research, you will certainly consume the results of that research
Consider the example of hiring. Imagine that an organization has always used a first-come, first‐O practices can
served model for hiring this method does not give the employer the best chance of hiring
successful employees
Predictabilitybecause of decades of published research that form the foundation for our theory
of successful hiring
“theory.” Think of theories as either helpful or not helpful, rather than “right” or “wrong.”
theories provide meaning and specify which variables are important
Methods of Data Collection
-What is triangulation?
