Chapter 2 - Research Methods in Psychology Flashcards
Hindsight bias
the “I knew it along”
Variable
condition, event, situation
Construct
psychological variables such as emotions
Operational definitions
making abstract ideas measurable
Correlation coefficient
how related or unrelated two variables are
Positive correlations
both variables moving together (up or down)
Ex) Age and shoe size
Negative correlation
Variables move in opposite directions
Ex) Aging and hair growth
No correlation
variables are not connected
Random selection
giving an equal chance for people to participate in the research
Correlational experimental
assessing the degree of relation between two or more variables
Strengths of correlational
Explains the relationship between to phenomenon’s
Limitations of correlational
correlation is never causation - cannot say x causes y
Experimental method
can determine causation
Independent variables
variables that can be manipulated
dependant variables
outcome that is measured based on the independent variables