Exam 2: Thinking Critically With Psychological Science

Two students in an art class are at least 20 years older than the others.Which measure of variation of class members' ages is most affected by the ages of these two students?

New technologies such as smart phone apps and body-worn sensors have enabled the collection of "big data" by means of

Following the scientific discovery that a specific brain structure is significantly larger in violent individuals than in those who are nonviolent,a news headline announced: "Enlarged Brain Structure Triggers Violent Acts." The headline writer should most clearly be warned about the dangers of

In a psychological experiment,the experimental factor that is manipulated by the investigator is called the ________ variable.

An experiment was designed to study the potential impact of alcohol consumption on emotional stability.A specification of the procedures used to measure emotional stability illustrates

Professor Ober carefully observes and records the behaviors of children in their classrooms in order to track the development of their social and intellectual skills.Professor Ober is most clearly engaged in

Five students received the following test scores: 7,11,5,6,and 11.Calculate the mode,median,mean,and range of this distribution of scores.Which measure of central tendency would change the most if an additional test score of 2 was included in the distribution?

Governor Donovan was greeted by large,enthusiastic crowds at all of his political rallies.As a result,he became overconfident about his chances of re-election.In this instance,the governor needs to be alerted to the value of

When provided with the unscrambled solutions to anagrams,people underestimate the difficulty of solving the anagrams.This best illustrates

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

Hindsight bias most directly contributes to the perception that

A psychologist notes that we are especially attracted to people whose traits are different from our own.This statement would seem unsurprising to students because

Megan was certain that she would never live far away from her family.However,when offered a job in another state,she decided to move.Megan's experience best illustrates

Professor Ambra was skeptical about the accuracy of recently reported research on sleep deprivation.Which process would best enable her to assess the reliability of these findings?

The ________ is a measure of ________.

The principle of informed consent is most directly relevant to people's right to

In an experimental study of the extent to which mental alertness is inhibited by sleep deprivation,mental alertness would be the

Several weeks after a political election,voters often exaggerate their ability to have predicted the election outcome.This best illustrates

Illusory correlation refers to

Operational definitions are most likely to facilitate