It Is Generally Inappropriate to Generalize the Results of a Study

question 5

Multiple Choice

It is generally inappropriate to generalize the results of a study to a population when the subjects are NOT randomly selected from the population because

• A) the number of subjects in the study is too small
• B) there is likely experimenter bias
• C) there is little assurance that the subjects are an adequate representation of the population
• D) there is little assurance that the data collected from the subjects is reliable

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Definitions:

Fertilization

The process of combining male and female gametes, leading to the formation of a zygote and the beginning of embryonic development.

Embryonic Germ Layers

The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the embryo from which all tissues and organs develop.

Acrosome

A vesicle at the tip of a sperm cell containing enzymes that help the sperm penetrate the egg.

Umbilical Cord

A flexible cordlike structure containing blood vessels and attaching a human or other mammalian fetus to the placenta during gestation.