Exam 2: D: Reading and Evaluating Scientific Research

A researcher tests the hypothesis that students who study in the room where they take their tests will perform better on the tests than students who study in other rooms.She requires one group to study in the classroom where the exam is given and another group to study in the library.All students take the test in the classroom,and their test performance is compared.In this example,where students study is the

An experiment was run in which group A was given 3 minutes to study a word list,while group B was given 10 minutes to study the same list.Later,both groups were asked to recall words from the list.In this study,the number of words recalled is the _______.

In an experiment,the "measurable aspect of the behaviour of the subject" is called the __________ variable.

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?

In an experiment concerning the effect of auditory feedback on accuracy in writing computer programs,one group hears a computer-simulated voice say each character or symbol that they type in as they are writing their programs.The second group does not receive the auditory feedback as they type their program lines.This second group is the ___________ group.

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

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

Collecting objective data without interference in the subject's normal environment is associated with ________.

The process of establishing causal relationships is associated most with

Under which circumstance is the use of deception justified by ethics review boards?

A research method in which the real-life behaviour of a pre-selected person or a group is studied in depth for some time through the use of observation,interviews,and writings (such as letters)is the _____________ method of research.

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?

Experimenter bias can best be controlled using ________.

As children grow older,their discretionary income usually increases.The best conclusion to draw about the variables age and income are that they are

Which of the following is a strength of experiments?

In a controlled experiment,the group not subjected to a change in the independent variable,and used for comparison with the group receiving the experimental change,is the __________ group.

Cause-and-effect conclusions can be drawn from the results of an experiment because

In an experiment,the group of subjects to which the experimental group is compared is called the

Mr.Marshall hired June to collect data from a group of subjects.Neither June nor the subjects were aware of the independent variable that Mr.Marshall had manipulated.This is an example of _______.

A correlation of .00 means