You Perform an Experiment in Which You Take 16 Pots

question 59

Multiple Choice

You perform an experiment in which you take 16 pots of strawberry plants and give half of them 1 gram of ammonium nitrate per liter of water and the other half just get water. Each group is then split in half again, and exposed to either 8 or 16 hours of light each day. You monitor the height of the plants for four weeks. You observe that increasing ammonium nitrate and light both increase plant height.
-Which of the following is an (are) independent variable(s) in this experiment?

• A) the amount of light
• B) the height of the plants and amount of light
• C) the amount of ammonium nitrate
• D) the amount of ammonium nitrate and light
• E) the height of the plants

Define personality and understand its components and measurement.

Understand the basic concepts of personality psychology, including the definitions of extraversion and introversion.

Recognize the various factors that influence the development of personality.

Identify key figures and theories in the history of personality psychology.

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Definitions:

Type II Error

The failure to reject a false null hypothesis, commonly referred to as a "false negative" finding.

Sample Size

The number of observations or data points in a study or experiment.

Null Hypothesis

A statement that assumes no relationship or difference between certain variables.

Type I Error

Type I Error occurs when a true null hypothesis is incorrectly rejected, often symbolized as the false positive rate in hypothesis testing.