Exam 1: Tiinking Critically With Psychological Science

The whole group from which samples may be drawn is called a(n)

Which of the following correlations between annual income and education level would best enable you to predict annual income on the basis of level of education?

After noting that a majority of professional basketball players are African-American, Ervin concluded that African-Americans are better athletes than members of other racial groups. Ervin's conclusion best illustrates the danger of

Theories are defined as

The double-blind procedure is most likely to be used in ________ research.

The scientific attitude of skepticism is based on the belief that

In a study of the effects of drinking alcohol, some participants drank a nonalcoholic beverage that actually smelled and tasted like alcohol. This nonalcoholic drink was a

After predicting world events, such as whether Quebec would separate from Canada, mistaken experts maintained that they were "almost right." This attitude is an example of

Researchers use experiments rather than other research methods in order to isolate

Which of the following is true, according to the text?

Seven members of a girls' club reported the following individual earnings from their sale of raffle tickets: $5, $9, $4, $11, $6, $4, and $3. In this distribution of individual earnings, the

The mean of a distribution of scores is the

The explanatory power of a scientific theory is most closely linked to its capacity to generate testable

Which of the following is most useful for helping survey researchers avoid false generalizations?

To ensure that other researchers can repeat their work, psychologists use

A negative correlation between degree of wealth and likelihood of suffering from a psychological disorder would indicate that

Approximately what percentage of the cases represented by the normal curve fall between -1 and +1 standard deviations from the mean?

We can MOST accurately estimate the mean of a population if

The standard deviation is the square root of the average squared deviation of scores from the

Replication involves