A researcher wanted to determine whether women with children are more likely to develop anxiety disorders than women without children. She selected a sample of 900 twenty-year old women and followed them for a twenty-year period.
At the start of the study, none of the women had children. By the end of the study 53 of the women had at least one child. The level of anxiety of each participant was evaluated at the beginning and at the end of the study and the increase (or decrease) in anxiety was recorded. The researchers analyzed the results to determine whether there was an association between anxiety and having children. A) cohort; Individuals are observed over a long period of time.
B) cross-sectional; Information is collected at a specific point in time.
C) retrospective; Individuals are asked to look back in time.
Question 2
The ______________ probability of an outcome is obtained by dividing the number of ways an event can occur by the number of possible outcomes.
A) Classical B) Subjective C) Empirical D) Conditional
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