Exam 2: Methods in Psychology-Part A

In a normal distribution,the peak of the distribution corresponds to which measurement(s)?

Which method does NOT use random assignment to assign participants to groups?

A psychologist poses as a grounds keeper at a local golf course and records any instances of cheating.She finds that golfers in twosomes are less likely to cheat then golfers in foursomes.What type of research is the psychologist conducting?

Fatima wants to study how ice cream consumption in a school cafeteria is related to aggressive playground behavior during recess.She realizes that lack of teacher supervision is a possible third variable that could cause both overconsumption and aggressiveness.She studies only children who have received identical amounts of supervision during the day.What technique is Fatima using to attempt to control for this third variable?

Which description is the BEST example of naturalistic observation research methodology?

If researchers are interested in whether or not it is possible for a person to have a reaction time less than 0.05 seconds,and they simply measure the reaction times of volunteers who sign up for the study,what rationale would the researchers give for not using random sampling?

If an investigator wants to determine if playing violent video games causes aggression,what research strategy should be used?

A researcher wants to assess the effects of varying amounts of alcohol on ratings of perception of friendliness.Three groups of people are given either one,two,or three beers to drink.Three more groups of people are given either one,two,or three nonalcoholic beers to drink.Then,all participants are shown a series of pictures of people's faces and are asked to rank the perceived friendliness of each face on a scale from 1 to 10.In this experiment,the independent variable is:

Which statement is an example of a demand characteristic in everyday life?

Which authority is charged with ensuring that the research claims made by scientists respect the truth?

Which technique helps REDUCE bias due to prior expectations?

Aleskey's research yielded results that are consistent with a hypothesis derived from a cognitive account of language development.Which conclusion is CORRECT regarding the theory?

Which statement describes a negative correlation?

The theory that God created the universe is:

The public is excited about a new cancer-fighting drug that has saved the lives of over 1,000 people diagnosed with terminal cancer in just the last year.People may misjudge the effectiveness of the drug,primarily because they rarely ask which question?

Which statement is an example of a demand characteristic in everyday life?

Research has shown that there is a correlation between the amount of violence a child sees on TV and the aggressiveness of the child's behavior.One explanation of this correlation is that children who watch a great deal of violence on television have a lack of adult supervision.This explanation is an example of what kind of correlation?

Which number represents the WEAKEST correlation coefficient (r)?

Which reason is NOT listed by the textbook as one that makes people especially difficult to study?

Life expectancy,in which the majority of people live to old age but some people die young,is BEST described by a: