Exam 2: Research Methodology

The values in a data set range from 60 to 90.If a researcher knows this,then the researcher is aware of the:

Unintended differences between the groups in an experiment reflect _____ bias; these differences stem from a failure to follow the principle of random _____.

If a researcher believes that participants in a single group will score very differently from one another on a task,that researcher can find out if that is true by looking at the:

A researcher believes that presenting possible suspects in a lineup one at a time instead of in a group would lead to more accurate identification of the true suspect.This belief represents a(n):

The variable that a researcher manipulates in an experiment is called the:

Jamal is performing statistical analyses to determine whether the effects of the treatment in his experiment might actually have reflected chance; Kendra is performing an analysis to combine the results of a number of experiments to yield an overall conclusion.Jamal is performing a _____,Kendra,a _____.

Which of the following sequences best reflects the order of events in a typical experimental session?

When a researcher cannot manipulate variables in a project on the relationship between level of education and income,she will be forced to collect naturally occurring data.The data analysis would probably involve:

Jafar conducted an experiment with student participants in which he investigated their reactions to advertisements that used humor.When analyzing his results,he should take into account that:

Which of the following formal elements of the scientific method consists of a set of interconnected ideas or concepts?

Which of the following statements is true regarding the use of deception in psychological research?

Which of the following sampling techniques gives each member of the population an equal and independent chance of being selected to participate?

Because psychologists regularly use college students as research participants,the research does NOT involve:

When researchers collect data in a study,if they unconsciously code a person's behavior to match their expectations,we say there is:

When an experiment lacks the proper control,which of the following unintended variables can influence the outcome of a study?

The psychologist Robert Rosenthal told student researchers that some rats in a study would learn a task quickly and others would learn the task slowly.In reality,there was no difference in the rats' ability to learn the task.When the students tested the rats,the animals' learning matched what the students were told.These results reflect the:

Lily is studying a participant's arousal level as the participant watches a violent video.Lily is likely to use:

Scientific observations are:

Jamal wants to find out whether the customers of his coffee shop prefer that he add booths or keep his tables and chairs.A researcher would be likely to use what kind of study to help him?

According to some psychologists,Sigmund Freud's theory of the meaning of dreams was not a successful theory because: