Variables & Constructs
Any variable that may co-occur with the IV and might have an effect on the DV
What is an extraneous variable?
This organization protects the welfare of human subjects who have been recruited to participate in research studies
What is the IRB?
This type of research examines the relationship between two or more variables
What is correlational research?
Range, variance, and standard deviation are all considered to be..
What are measures of variability?
This type of research studies cause and effect by manipulating variables and holding others constant
What is experimental research?
This variable cannot be directly observed and is usually a skill or attribute that is difficult to measure; its definition may differ depending on the person
What is a construct?
This process involves the two stages of dehoaxing and desensitizing; it normally happens after the participants have been deceived
What is debriefing?
These two components are extremely important in an experimental study
What are random assignment and control?
This is a rough measure of the average amount by which scores deviate on either side of the mean
What is standard deviation?
This type of research seeks to answer a question or solve a problem in the real world
What is applied research?
A variable that can only take on certain values and has a finite value
What is a discrete variable?
A testable proposition that describes a relationship that may exist between two events; can be causal or relational
What is a hypothesis?
The degree to which a test yields consistent, repeatable, or stable results
What is reliability?
This equation requires you to add up all the values of X and then square the total
What is (ΣX)2 ?
"As one variable increases, the other one decreases" - this phrase describes a..
What is a negative correlation?
These variables are categorical and normally involve words or pictures
What are qualitative variables?
Permission obtained from participants before completing a study; ensures that participants are aware of all benefits, risks, and requirements of the study
What is informed consent?
LC, He Made The IRS MIDday - this sentence is a great way to remember...
What are threats to internal validity?
A bell-shaped, symmetrical graph that is used to represent real-valued random variables that are not known
What is the normal distribution curve?
The section of a research paper that summarizes the report by including a bit of information from each section
What is an abstract?
The breakdown of a construct into specific terms so that it can be properly measured in a study
What is an operational definition?
These are the 5 ways of knowing
What are tenacity, authority, empiricism, science, and reasoning & logic?
This is an observation or score that is distant from all others in the data set; an extreme score
What is an outlier?
This statistical analysis is used for prediction; looks at multiple predictors and one outcome variable
What is multiple linear regression?
"Dr. Zacchilli's 9:30 class takes a test, then they tell everyone. Next week, Dr. Zacchilli's 11 am class knows exactly what to expect on the test" - This scenario is describing..
What is diffusion (threat to internal validity)?