Lecture 1

Question 1

Psychological measurement

Answer 1

The assignment of numerals to psychological characteristics of individuals. ( In order to be able to measure)

Question 2

Psychometrics

Answer 2

Science concerned with the attributes of psychological tests.

Question 3

What are the characteristics of psychological constructs?

Answer 3

1- Latent variables (unobservable)
2- Measurement of this variable depends on measurement of the observable behavior.

Question 4

How do we link observable behavior to unobservable variables?

Answer 4

1- Psychological theory
2-Causality
3-Statistics and explicit graphical representation.

Question 5

Psychological theory

Answer 5

1-It is the starting point of the questionnaire
2- Figure the relevant latent variables
3- Figure the operational definition of latent variable in terms of observable items.

Question 6

Linear regression

Answer 6

dependent variable (item) continuously distributed.

Question 7

Logistic regression

Answer 7

the dependant variable is binary or dichotomous (0,1- yes, no)

Question 8

Mutually exclusive (exhaustive)

Answer 8

each individual at a given time can be assigned only a single unique value