Introduction psychometrics class note

Why are surveys not typically used in psychology?

What is the main difference between index and questionnaire?

Why is psychometrics important?

Answer explanation

Possible answer #1: Because humans are biased. Throughout the choices made in life there are criterias that are not always the best. We evaluate behaviors of others, try to change the behavior of other, we interpret things but can miss the point. Psychometry helps with those biases and creates a standardized procedure to obtain answers regarding particular concept.

Possible answer #2: The goal of psychology is to describe, understand, predict, and influence. Which can't be done alone by humans since we are biased. Hence there need to be a tool that facilitates the process.

Give an example of bias in human that shows the importance of psychometrics.

Which of the following is a reason why psychometric is important?

• Measurement bias

• Quebec professional code

• Human bias

• Test stimulus

Which of the following is part of the code of conduct of the Ordre des psychologue de Quebec that explains the importance of psychometry?

• Eliminate bias

• Control for errors

• Assess psychological and cognitive mental functioning

What is the following describing?

Technical procedure of assigning a symbol to an object.

What is the following describing?

Refers to the process of assigning symbols (typically numbers) to objects, persons, or events in such a way as to describe the degree at which they present some attributes or their membership into some categories.

What is the following describing?

Data collection process, utilization, and interpretation and greater entities.

Fill in the blank:

Refers to the process of assigning _______ (typically numbers) to objects, persons, or events in such a way as to describe the ______ at which they present some ________ or their ______ into some categories.