Which of the Following Statements About Menarche Is NOT True

question 109

Multiple Choice

Which of the following statements about menarche is NOT true?

• A) Menarche typically occurs two years after the beginning of indicators such as changes in the breast and pubic hair.
• B) In industrialized countries, the average age of menarche has remained fairly stable for the last 100 years.
• C) Girls now show signs of secondary sex characteristics one or two years earlier than their mothers and grandmothers.
• D) Girls who are sexually active are more likely to have experienced early menarche.

---

Definitions:

Main Effects

The direct, independent impacts of individual variables on a dependent variable in a statistical model.

Factorial Design

A study design that allows researchers to simultaneously investigate the effects of several independent variables on a dependent variable.

Eyewitness Testimony

is the account a bystander or victim provides in the courtroom, detailing their observations of an event or crime, influential in legal proceedings but sometimes unreliable.

Independent Groups

A research design in which different groups of participants are assigned to experimental conditions, with each group exposed to a different level of the independent variable.