Exam 2: Methods in Psychology

Angela wants to determine if male or female university students are more likely to pay with cash versus a credit card while at a restaurant.She is undecided if she should observe their actions at a restaurant,or instead pose questions to participants about this topic using a survey.Angela is trying to decide on the best _____ to address her research question.

A property with a value that can vary or change is called a(n):

A device that can detect the events to which an operational definition refers is a(n):

In an experiment,researchers exposed half the children to 2 hours of violence on television every day for a month and made sure the other half saw no violence on television at all.At the end of the month,they measured the level of aggressiveness in the children.What were the children who were NOT exposed to any violence on television?

If Dr.Smith wants to determine whether drinking alcohol causes feelings of sadness,what research strategy should be used?

To conduct a true experiment,a variable must be manipulated by the experimenter.

The extent to which the frequency of smiling really defines the property called happiness is an issue of measurement:

The statistic that describes the average distance between the measurements in a frequency distribution and the mean of that distribution is the:

In the context of an experiment,the independent variable is the variable that is:

Darley and Gross (1983)showed participants a video of a girl taking a reading test.They then asked participants to rate the girl's academic ability.These researchers found that participants rated her academic ability higher if they thought that she:

A random sample means that every participant has an equal chance of being assigned to the treatment group or the control group.

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?

The dependent variable is manipulated by the experimenter.

Which statement about divulging the true purpose of an experiment is TRUE?

A group of five university students form a study group for their introductory psychology class.They study diligently and for much longer hours than the typical student.These five students are in the same introductory psychology class with 25 other students.If a frequency distribution is taken of study hours,the distribution probably will be:

Williams and Ceci (2015)sought to determine if gender biases exist in academic hiring practices.They studied almost 1,000 professors in a mock hiring situation in which each professor read the files of several job applicants and then rank-ordered the applicants in terms of most-to-least qualified.What the professors did not know was that the gender of the job applicants was randomly assigned to the professors.That is,if one professor read that job applicant A was a woman,another professor read that the same job applicant A was a man.As a result,an average rating of each applicant could be compared when that applicant was presented as a male and as a female.In this study,what is the dependent variable?

Darley and Gross (1983)showed participants a video of a girl taking a reading test.Some participants were told that the girl was from an affluent family and others were told that she was from a poor family.Then participants were asked to rank the girl's academic abilities.Which statement regarding the findings of this experiment is TRUE?

Which statement is TRUE about the scientific method?

If differences between the experimental and control groups are obtained,and when the odds are acceptably low that random assignment hasn't failed in an experiment,the results of the experiment are said to be:

Which statement about the role of missing evidence in decision making is TRUE?