Consider a Study in Which People Were Recruited and Followed

question 15

Multiple Choice

Consider a study in which people were recruited and followed for 40 years to determine their health problems. The researchers were interested in lung cancer so at the end of the study they counted the number of participants who had died from lung cancer, or currently had it, and those that did not. They also counted how many were non-smokers their whole life or had been smokers at some point in their lives. The number of non-smokers with lung cancer was 36 and the number of non-smokers with no sign of lung cancer was 815. The number of smokers with lung cancer was 26 and the number of smokers with no sign of lung cancer was 161.
To determine whether there appears to be a statistically significant relationship between smoking and risk of lung cancer we would conduct a χ² analysis. When performing this analysis, which of the values below is closest to the χ² statistic we would obtain?

• A) 21.54
• B) 23.35
• C) 25.54
• D) 27.35

Understand the basic principles of plant phototropism.

Recognize the different types of light receptors in plants and their specific functions.

Learn about the role of hormones in plant growth and development.

Identify the light that is most effective in triggering seed germination.

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Definitions:

Tertiary

Pertaining to the third order, stage, level, or degree in a sequence.

Trait Theorists

Psychologists who study personality, focusing on the identification and measurement of consistent behavior patterns referred to as traits.

Biological

Pertaining to the processes and phenomena of living organisms or life itself.

Neo-Freudian

Refers to psychologists who accepted Freud's basic theory of psychoanalysis but modified and expanded upon it in various ways, particularly concerning social and cultural factors.