Morling. Takenlijst
3 important questions on Morling. Takenlijst
Explain measured and manipulated variables
Measured: one whose levels are simply observed and recorded. Such as height and IQ or gender.
Manipulated: a variable a researcher controls, usually by assigning study participants to the different levels of that variable. Eg some participants are given 10gr medication, others 20gr. Some variables cannot be manipulated, such as age.
Manipulated: a variable a researcher controls, usually by assigning study participants to the different levels of that variable. Eg some participants are given 10gr medication, others 20gr. Some variables cannot be manipulated, such as age.
What is a conceptual variable and conceptual definition
Abstract concepts such as 'school achievement' or spending time socializing'. Its sometimes called a construct. These variables must be defined at the theoretical level, when defined they are called conceptual definitions.
To operationalize is to turn a concept of interest into a measured or manipulated variable, this is the operational definition
To operationalize is to turn a concept of interest into a measured or manipulated variable, this is the operational definition
Name the 3 validities when you come across a association claim
How well the 2 variables were measured (construct validity). Whether the results can be generalized (external validity) and evaluate the strength and significance of the association (statistical validity)
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
