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After the horror of 9/11, many people said the CIA/FBI should obviously have foreseen the likelihood of this form of terrorism. This perception most clearly illustrates
When leanne heard about experimental evidence that drinking orange juice triggers hyperactivity in children, she questioned whether the tested children had been randomly assigned to experimental conditions. Leanne's reaction best illustrates
Stacey suggests that because children are more impulsice than adults, they will have more difficulty controlling their anger. Stacey's prediction regarding ange management is an example of
Professor carter observes and records the behavior of grocery shoppers as they select items to purchase. Which type of research is prfessor carter using?
A negative correlation between people's work related stress and their marital happiness would indicate that
higher levels of marital happiness are associated with lower levels of work related stress
Mr. Brown has gathered evidence that the self esteem of students is negatively correlated with their typical levels of anxiety. Before he uses this evidence to conclude that self esteem reduces anxiety, Mr. Brown should first be reminded that
CORRELATION DOES NOT PROVE CAUSATION
Which method offers the most reliable way of assessing whether athletic performance is boosted by caffeine consumption
In drug treatment studies, doble blind procedures minimize outcome differences between experimental and control conditions that could be attributed to
In an experimental study of the extent to which mental alertness is inhibited by sleep deprication, alertness would be the
To assess whethe sense of humor is affect by sexual stimulation, researches exposed marriesd couples to either sexually stimulating or sexually nonstimulating movie scenes prior to watching a comedy skit. In this research, the independent variable consisted of
LEVEL OF SEXUAL STIMULATION
One person in a 10-person group is 10 times older than anyone else in the group. With respect to age, it is MOST likely that the majority of group members are younger than the group's
Random samples provide _____estimates of population averages if the samples have small ____
GOOD; STANDARD DEVIATIONS
Ethical principles developed by psychologists urge investigators to
TREAT INFORMATION ABOUT INDIVIDUAL RESEARCH PARTICIPANTS CONFIDENTIALLY
Jaime and Lynn were sure that they had answered most of the multiple-choice questions correctly because "the questions required only common sense." However, they each scored less than 60% on the exam. This best illustrates
Which research method runs the greatest risk of collecting evidence that may be unrepresentative of what is generally true?
Every twenty fifth person who subscribed to a weekly news magazine was contact by market researches to complete a survey of opinions regarding the magazine's contents. The researchers were applying the technique known as
A correlation of +.70 between childresn's physical height and their popularity among their peers indicates that
High levels of popularity among your peers is associated with greater physical height in children
Surveys are most likely to indicate that reckless behavior and self control are
A tendency to notice and remember instances in which our premonitions of disaster are subsequently followed by harmful events is most likely to contribute to
To test the potential effect of hunger on taste sensitivity, groups of research participants are deprived of food for differing lengths of time beforethey engage in a taste sensitivity test. This research is an examp of
In a study of factors that might affect memory, research participants were assigned to drink either an alcoholic or nonalcoholic beverage prior to completing a memory test. Those who drank the nonalcoholic beverage were assigned to the ____ group
In an experimental study of the effects of dieting on weight loss, dieting would be the
Ahmed has five sisters who are 3,3,5,9 and 10 yrs old. The number 5 represents the ____of the sister's ages
The _____ can be a particularly misleading indication of what is average for a _____ distribution of scores
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