Ways by which a researcher can control confounding variables in a correlational study include all of the following, except:
a. Randomization
b. Using a homogeneous sample
c. Analysis of covariance
d. Matching subjects

Which bronfenbrenner level examines the developmental influences of homes, caregivers, friends, and teachers?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?