A theory that is stated simply can be replicable but is not parsimonious.
Answer the following statement true (T) or false (F)
False
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We use the ______ to test the difference between the mean of a sample to the population mean in a distribution with known standard deviation.
A. distribution of sample means B. sample distribution C. student's t-distribution D. population distribution
In a(n) _____, the experimenter measures scores on both variables, whereas in a(n) _____, the experimenter manipulates or changes one variable and measures scores on the other
a. correlational study; research design c. correlational study; experiment b. research design; experiment d. experiment; correlational study
The process of "crossing over"
A) ensures that characteristics will be transmitted from parents to offspring. B) decreases the likelihood of mutations, chromosomal abnormalities, and birth defects. C) increases the potential for healthy sperm to reach the site of fertilization. D) ensures variability among the genetic codes of siblings.
What structure provides nutrients from the mother to the fetus, takes waste products away from the fetus, and protects the fetus from bacteria and waste in the mother's blood?
a. the placenta b. the umbilical cord c. the amnion d. the germinal structure