The score that appears most frequently in a set of scores is considered to be...?
What is the mode
100
The process of assigning individuals at random to groups or to different groups in an experiment is what?
What is random assignment
100
Before a researcher can perform research at a site, he or she must first obtain(___________) from the supervisor of that site.
What is permission
200
(________) is used to indicate the dispersion of scores around the mean.
What is the Variance
200
What variable can a researcher manipulate or use as an intervention in a study?
What is a treatment variable
200
A researcher loses a file containing then name and numbers of individuals who agreed to participate in a study they were performing for graduate school. The researcher did tell the participated their names would not be revealed to anyone other than his partner and himself. What right of the participants was just violated?
What is their right to privacy/confidentiality
300
If a researcher rejects the null hypothesis when data shows the null hypothesis is true, the researchers committed what type of error?
What is Type I error
300
When a researcher creates two groups allowing only males in one group and females in the other before the research begins. The category of gender is considered what type of variable?
What is blocking variable
300
When a graduate student is obtaining permission to perform a study while in a graduate program, there is a review of the study performed by these appointed individuals to ensure ethical standards are met.
What is Internal Review Board
400
For the null hypothesis to be rejected a value must fall in what region on a normal distribution curve?
What is critical region
400
When a researcher choses individuals to participate in a study based on their race, age, gender, or GPA or other common attributes or characteristics, they are using what type of sampling approach.
What is Homogeneous samples.
400
What experiment spearheaded a focus in ethical standards, when African-American men from a rural Alabama city were deceived in thinking they were receiving free medical care from the local health department in 1932-1942?