Exam 2: A: Research Methods in Psychology

A professor is trying to determine if the number of questions students ask in class is related to their class performance.The number of questions students ask is then compared to performance on the next test.How would the number of questions asked be classified?

A store owner is conducting an experiment to determine how much advertising increases overall profit.What type of variable is the amount of advertising?

Trying to find the true source of something you read in the newspaper,and carefully considering evidence of the reliability of the information is an example of .

In an experiment,psychological researchers seek to establish a cause and effect relationship between two types of variables by manipulating the variable and measuring the variable.

Suppose the standard deviation for the scores in Group A was 3.12,and the standard deviation for the scores in Group B was 10.67.What would be a safe conclusion based on these standard deviations?

The more classes students miss,the lower their test grades tend to be.Which term best describes this phenomenon?

The Canadian Psychological Association's ethical guidelines require that research participants be informed of any deception that will take place,prior to their giving informed consent.

A researcher who is trying to develop a test of musical aptitude is overheard to say,"I want to make sure that the test that I am developing gives similar results time after time." Which term best captures this goal?

One study described in the text book examined the effects of ginkgo biloba as aanswer to one's memory problems.The study highlighted the importance of utilizing which one of the following controls?

The topic of research ethics comes up in a philosophy class.Because she knows that you are taking a psychology course,the professor asks you how psychologists deal with the issue of ethics when it comes to human and animal research.How would you respond?

In a within-subjects research design,different groups of participants are randomly assigned to experimental conditions or to control conditions.

A theory is defined as an organized set of concepts that explains a phenomenon or set of phenomena.

According to the ethical guidelines proposed by the Canadian Psychological Association,if deception is used in research it must be explained to the participants by the conclusion of the research and the participants must have the opportunity to withdraw their data.

Which statement best captures the basic idea underlying the experimental method?

A student is interested in the kinds of movies young people enjoy watching.The student develops a simple questionnaire that asks the youth about their attitudes toward different film genres and then records which films they actually attend.How is this measurement technique best described?

In a research design,each participant is used as his or her own control,perhaps by having their behaviours compared before and after receiving a treatment.

Sample is to population as

What do psychological researchers rely on when they are ready to put their hypotheses to the test?

While conducting a naturalistic observation study of children's play behaviour,the researcher asked the children to limit their play activity to only one area in the playground in order to make more accurate observations.How does this approach fail to meet the criteria for naturalistic observation?

An elementary school teacher is interested in measuring the amount of time a young student in class is working productively versus chatting with classmates.What approach to data collection should the teacher take?