Exam 4: Research Methods in Psychopathology

Jacob was "cross-fostered" which means he was:

A correlation of .98 between X and Y would indicate

Which research design is illustrated by the following? A therapist gathers data showing that,repeatedly,a patient is better on days his wife visits and worse on days when she does not.

Random assignment is

Saying that a research result is "statistically significant" means that it probably

Concordance for disorders should be greater for __________ than __________ if there is a genetic predisposition for the condition.

Which of the following is considered to be a reversal design?

The scientific approach requires that theories be stated

The more intelligent a person is the higher grades he or she receives in school.Most likely,this finding comes from which type of research?

The "experimental effect" refers to

Professor Misha collects data showing a correlation between grades and happiness.He concludes that being happy helps students to get better grades.Which of the following illustrates the "directionality problem" in Professor X's conclusion?

__________ is defined by whether or not a relationship between variables is large enough to matter.

Which of the following is another term for an index case?

Dr.Reside treated 20 children using a new therapeutic procedure.An outside observer rated the children's activity level on a laboratory task before and after the treatment; 80% of the children decreased their activity level following treatment,and Dr.Reside concluded that the procedure was highly effective.What is the major problem with Dr.Reside's experiment?

In the single-subject ABAB design,the letters A and B refer to different

Mary,who has trichotillomania (chronic hair pulling),is enrolled in a single-subject study using an ABAB design to see if she pulls more hair while watching TV.Mary watched TV during dinner for four weeks and pulled at least ten hairs a day for the four weeks.Then she left the TV off for four weeks and pulled only one hair per day for the four weeks.In the next step of this design,the experimenter should have Mary

Which of the following are generated by theories?

You hypothesize that low social class causes poor school grades.You find that the correlation between low social class and school grades is .01.What can you conclude?

With the __________ method,only people with above average risk of developing a particular disorder would be studied.

Meta-analysis is