Cold Medication Effect on Mental Alertness
Not what you're looking for?
A researcher would like to determine whether an over-the-counter cold medication has an effect on mental alertness. A sample of n = 16 participants is obtained and each person is given a standard dose of the medication one hour before being tested in a driving simulation task. for the general population reaction time scores on the simulation task are normally distributed with the population mean = 210 and alpha = 20. The individuals in the sample had an average score of M = 222. Can the research conclude that the medication has a significant effect on mental alertness as measured by the driving simulation task? Use a two tailed test with alpha = 0.05. Compute Cohen's d to measure the size of the effect.
Purchase this Solution
Solution Summary
Cold Medication Effect on Mental Alertness
Solution Preview
The null hypothesis tested is
H0: Mean reaction time scores on the simulation ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.