What is a random experiment?
experiment in which subjects are assigned randomly to an EXPERIMENTAL GROUP that receives a treament or other manipulation of the independent variable and a COMPARISON GROUP that does not receive the treatment or receives some other manipulation; outcomes are measured in a posttest Nice work! You just studied 39 terms!
What was researcher L studying in a field experiment?
Researcher L was studying preparedness for natural disasters in a field experiment when a particularly destructive hurricane hit a neighboring state. What problem is likely to occur when establishing internal validity in L's research? How are experimental groups different form the control group? What are comparison groups?
What is an example of an experiment in psychology?
For example, in an experiment in which subjects go to a special location for a treatment, something in that location unrelated to the treatment might influence these subjects. This outcome may not have been seen before the event occurred.
What is the purpose of an experiment?
-the purpose of an experiment is to find out whether an independent variable affects the dependent variable. independent variable In an experiment, the variable that is introduced to see what effect it has on the dependent variable.
What is the purpose of an experiment?
-the purpose of an experiment is to find out whether an independent ...
What is a study of studies?
A "study of studies.". Scientific observation. -A method of testing a hypothesis by unobtrusively watching and recording participants' behavior in a systematic and objective manner—in a natural setting, in a laboratory, or in archival data. experiment. -A research method in which the researcher tries to determine the cause-and-effect relationship ...
What is the ethical standard for research with children?
obtaining consent from both the children and the parents. One of the ethical standards for research with children includes: an experiment. The only research method that can establish a causal relationship is: Declines in math ability reflect age, not level of education.