Exam 2: Research Methods in Psychology

Dr.Welsh is doing experiments using drugs.He is concerned that his subjects will respond to demand characteristics.He may want to control for this by using which of the following?

To determine if sugar-rich diets affect hyperactivity in kids,a researcher prepared two daily menus that children would receive for a 30-day period.A high-sugar diet was given to the boys,while the girls had a menu that seemed identical but was not a high-sugar diet.At the end of 30 days,the boys and girls were evaluated to determine their levels of hyperactivity.In the study,the high-sugar diet is the ________.

In an experiment,a researcher manipulates one variable to see how it affects a second variable.The manipulated variable is called the:

As part of an assignment,Bill's class was asked to complete an anonymous questionnaire on sexual discrimination.Which research method was Bill's professor using?

As part of an assignment,Bill's class was asked to complete an anonymous questionnaire on prejudice.Which research method was Bill's professor using?

Professor McSpam designed an experiment to test her hypothesis that exercise will increase spelling ability.She divided children into three groups and had one group do 10 minutes of exercises,one group do 30 minutes of exercises,and the third group do no exercise.She then tested all three groups of children to see how many words they could spell correctly on a spelling test.In this experiment,the scores on the spelling test serve as the:

In an experiment,a researcher manipulates one variable to see how it affects a second variable.The second variable,which is observed for any possible effects,is called the __________.

The process of establishing causal relationships is associated most with:

A correlation of .00 means:

In an experiment on the effects of level of motivation on the performance of typists,the researcher randomly assigned one-third of her subjects to each of three levels of motivation (and then induced different levels of motivation in the three groups).She measured the average words typed per minute by each group,and found that performance was highest under medium motivation,average under low motivation,and worst under high motivation.What was the independent variable in this experiment?

If explanation of the causes of thoughts,feelings,and behaviour is a psychologist's goal,then the __________ method of research should be used.

Political polls taken before major elections are examples of __________ research.