A threat to internal validity that refers to the fact that the researcher knows the research hypothesis and thus causes an invalid confirmation of the research hypothesis is known as
a. a demand characteristic.
b. experimenter bias.
c. a placebo effect.
d. an informed experimenter effect.
Question 2
Experimenter bias refers to
a. the mistreatment of participants.
b. the participants' interpretation of the experimental manipulation.
c. differences in the participants' responses to the experimental manipulation.
d. differences in how the experimenter treats the participants.
The internal organization of cells, tissues, organs, and organ systems in a mammal.
Much time and effort occurs between the development of a research idea and the statistical analysis
The internal and external anatomy of the kidney.
The Threat of Air Pollution
Research Terminology Cont.
Controlled Scientific Experiments Scientists use experimental research to test hypotheses