Gus is reading about a recent claim that a particular reading program which is read to an unborn child increas?

[dennie18]

Gus is reading about a recent claim that a particular reading program which is read to an unborn child increases their cognitive ability by at least 10 points. If Gus is a critical thinker, he should question
A) the cost of such a program.
B) the patent on this program.
C) the definition of cognitive ability.
D) the credibility of the researchers.
26. The tendency to apply one solution to one problem to another problem without considering the applicability of that solution would be a violation of which principle of critical thinking?
A) Skepticism.
B) Overgeneralizing.
C) Considering alternative research.
D) Considering the credentials of the authority.
27. Greg has heard that studies have shown that yoga helps prevent Alzheimer’s. As a critical thinker, Greg should ask all except which of the following questions?
A) Who ran the study?
B) Were the researchers unbiased?
C) Are the researchers well-known?
D) Who paid for the research?
28. If 12% of the population is African American, what percentage of a stratified population would be African American?
A) all but 12%
B) 24%
C) 12%
D) 9%
29. Joseph wanted to know the drug habits of his senior high school class. He sent out surveys to 300 of his fellow students. He got 130 surveys back all claiming significant drug use. Why should Joseph be careful about concluding that drug use was rampant on his campus?
A) Surveys are meaningless.
B) Volunteer bias.
C) Experiment bias.
D) Control group error.0
30. “The more you smoke, the shorter your lifespan” is an example of a
A) positive correlation.
B) negative correlation.
C) correlation coefficient.
D) the third variable effect.
31. A correlation coefficient is a number
A) that expresses the strength and direction of a relationship between two variables.
B) presenting the average relationship.
C) representing a location on the normal curve.
D) indicating the percentile of a score.
32. When two variables decrease together, they are
A) positively correlated.
B) negatively correlated.
C) experimentally related.
D) coefficiently related.
33. Cigarette companies have maintained that smoking does not cause cancer. Their entire argument was based on the idea that
A) the number of cigarettes you smoke is unrelated to health.
B) cigarettes are actually good for health.
C) hazardous and cause are unrelated.
D) correlations do not prove cause and effect.
34. The purpose of the use of a placebo is to control for the __________ of research participants.
A) suspicions
B) expectations/beliefs
C) fears
D) cooperation
35. The effects of expectations are also called _______ effects.
A) experimenter
B) subject
C) placebo
D) variable
36. Another word for measurements is ________.
A) data
B) statistics
C) ranges
D) descriptions
37. Dr. Uyenco is gathering information regarding his research on the amount of toxins in a local lake. This information is known as ________.
A) data
B) measurements
C) statistics
D) all of these
38. Statistics gathered on humans would indicate that there is a ________ of intelligence with the ________ being around 100.
A) range; average
B) lack; median
C) peak; mean
D) range; mode
39. Renee has just earned a 3.0 GPA. However, when considering exactly what this means in terms of her class ranking she would want to know all of the following except
A) how many other students have a 3.0.
B) what scholarships are available for a student with a 3.0 GPA.
C) how many other students have a higher GPA.
D) on what grading scale her GPA is based.
40. All of the following are data included in descriptive statistics except:
A) central tendency
B) measures of variability
C) average
D) mediums
41. A mean is less useful if the scores are
A) close together.
B) extreme.
C) nearly the same.
D) spread out.
42. Dr. Johanson is interested in finding out the average height of the subjects in his study on the impact of early nutrition on adult height. However, he knows that some of his subjects have been diagnosed with a form of dwarfism while others are on the college basketball team. Dr. Johanson might be advised to use which form of central tendency to accurately represent his data?
A) mean
B) average
C) median
D) all of these
43. A standard deviation is calculated by using all of the following mathematical calculations except
A) addition.
B) division.
C) subtraction.
D) square root.