Exam 2: Exsetntion: Research Methods

Which of the following is one of the two types of statistics that researchers use to analyze the data that they collect?

Students of psychology are often frustrated because there are very few,if any,clear-cut answers to many of their questions.What is the primary limiting factor in obtaining first-hand knowledge of questions such as the long-term effects of child abuse or the effects of smoking marijuana on a pregnancy?

A therapist wishes to show that his new therapy is a marked improvement over the current best available therapy.To do so,he examines the number of participants who improved with each.A total of 125 participants received his treatment (and 100 of them improved).A total of 80 participants received the alternative treatment (and 64 of them improved).What should the therapist conclude?

A graph that can be used to represent the pattern of relationship between scores from two variables is called a

Ryan,a professional bass fisherman,is trying to determine which lure is most effective on Wakeby Lake-the plastic worm he normally uses,or the new minnow-style lure he bought yesterday.Based on this scenario,what would constitute the control?

The _____ variable is what the experimenter "manipulates" or varies.

Dr.Potter,an English professor,is curious about his students' attitudes toward one of his favorite books.What research method is he most likely to use to gather this information?

A mechanism by which experts in a field carefully screen the work of their colleagues is known as

A major limitation in reading about the results of psychological research in the newspaper is that

When a researcher tests his or her hypothesis,he or she is often hoping to gather information that is consistent with a particular theory.What,more specifically,allows a researcher to say that he or she has "proven" a theory?