Exam 2: The Research Enterprise in Psychology

The best type of evidence for psychological studies is anecdotal evidence.

One of the disadvantages of the experimental method is

When two variables are linked and their individual effects cannot be separated out,we speak of the variables as being

Dr.Jacobsen is investigating the link between social support networks and grades in school.Students in his classes are required to complete survey forms related to this research; however they are never told about the purpose of the survey.In this case,some researchers might argue that Dr.Jacobsen's research violates the ethical principle of

Mackenzie took part in an experiment where she was told she would be required to sit alone in a darkened room for 30 minutes,after which she would be asked to complete a brief questionnaire about her future goals and plans.When she finished the questionnaire she was told the experiment was over.Mackenzie never really understood the purpose of the study,and she wasn't sure why she had to wait in the darkened room before filling out the short questionnaire.In this case,it would appear that the researchers who conducted the experiment

A researcher interested in studying individuals' attitudes toward "animal rights issues" would MOST likely conduct

One method to control for experimenter bias effects in research is to use

Of the following correlation coefficients,the one that would allow the most accurate predictions of one variable based on the other variable would be

Suppose a researcher discovered a +.87 correlation between the length of a person's toes and the number of shoes the person owns.In general,people who own the fewest number of shoes would have

What is the difference between a positive correlation and a negative correlation? List some specific variables that you predict would be positively correlated,and variables that would be negatively correlated,with alcohol consumption by college students.

Statistics can be used to do all of the below EXCEPT

Psychologists use a variety of data collection techniques; which of the following is best suited for studying attitudes?

A researcher who wants to get a broad perspective on an area of research by combining the results from a large number of existing studies would be most likely to use which statistical technique?

Reinhold is filling out the Minnesota Multiphasic Personality Inventory (MMPI)and as he reads each question he thinks about the way most other people would probably respond.When he answers,he selects the alternative that he thinks will present the most favorable impression.Reinhold's answers reflect

How much the scores in a data set vary from each other and from the mean refers to the concept of

An experimenter tests the hypothesis that physical exercise improves people's mood.Subjects in the experimental group participate on Monday and Tuesday and those in the control group on Wednesday and Thursday.What is the independent variable?

One of the disadvantages of the experimental method is

Which of the following statements about correlations is incorrect?

Experimenter bias occurs when

Bill received a poor performance evaluation in his job last year.Since then Bill has started working through his lunch hour,has taken on four special projects,and has enrolled in night classes to upgrade his computer skills.If Bill receives a better evaluation at his next performance it will be hard for him to figure out why because