Psychology Quiz #1
1. Procedures of Naturalistic observations.
a. This technique involves observing subjects in their natural environment.
b. Case Studies
a. Are written summaries or syntheses of real-life cases based upon data and
research
a. Define the objective of the case study
b. Identify important players
c. State mission
2.Internal and external validity
Low Internal: The subject number is equal to one (N=1) and Genie may not be
representative of other individuals.
Low External: Case studies tend to be retrospective.
There are uncontrolled variables
(Genie may have been retarded already
3. Understand and know independent and dependent variable
a. Independent: “if” independent variable is the variable you have control
over, what you can choose and manipulate. Example:
b. Dependent: “then” Stays the same. Example: time color
4. Interpret correlation coefficients
Correlation studies do not determine cause and effect.
They only determine if two variables are related
For instance are height and weight related then which cause which?
Neither
Correlation coefficients
-1.00< r <+1.00
--------=No correlation
/=Strong positive correlation
\=Strong negative correlation
5. Positive and negative correlation
Positive Correlation: The correlation in the same direction is called positive
correlation. If one variable increase other is also increase and one variable
decrease other is also decrease. For example, the length of an iron bar will
increase as the temperature increases.
Negative Correlation: The correlation in opposite direction is called negative
correlation, if one variable is increase other is decrease and vice versa, for
example, the volume of gas will decrease as the pressure increase or the
