A researcher tests the influence of environment on cognitive development by taking newborn children away from their parents and assigning half of them to a rich cognitive environment and half to a deprived cognitive environment. Is there anything wrong with this experiment, and if so, what?
a. No; there is nothing wrong with this experiment.
b. Yes; there is no control group.
c. Yes; this experimental method violates ethical standards.
d. Yes; this experimental method cannot control for the Hawthorne effect.
Question 2
Brads thesis advisor often tells him that its important to strive for results that are statistically significant. He explains that to have results that are statistically significant means that ____.
a. descriptive statistics were used in this study
b. participants were randomized in his study
c. there was no random selection
d. there is a small chance that the results were caused by random variables
Types of Laboratory Tests
Embryo and fetal development during weeks 1–25 of gestation.
Procedures and Diagnostic Tests Related to the Endocrine System
Kohlberg's Stages of Moral Development
Serum Values for Thyroid Function Tests
Steps in the development of colorectal cancers