Exam 2: Reading and Evaluating Scientific Research

Which of the following statements is true about naturalistic observation?

_______________ are a set of techniques used to organize,summarize,and interpret dat a.

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?

Positive correlation shows:

Which of these is an essential concern regarding ethical principles for human research?

________________are a major problem in psychology research,and can cause participants to change their behavior based on how they think they are supposed to behave.

Jasmine took a self-administered online intelligence test three times yesterday and obtained scores of 124,128,and 125.This made her feel great because the score she received from the psychologist last month at school was only a 95.What characteristic might the online test be lacking?

The main purpose of replicating studies is to:

Professor Golder is studying hyperactivity in preschool-age children.She is concerned that differences in child rearing,diet,and so forth may affect her results.To minimize these potential preexisting variables,she should be sure to do which of the following?

If a group of researchers find that the number of books 5^th graders read is positively correlated with their scores on an intelligence test,it would be correct to conclude that having children read more increases their intelligence.

A large group of people whom you want to know about is called a __________.

A detailed,well-researched biography of a famous historical person is technically an example of the __________ method of research.

Which of the following is a strength of experiments?

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.

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 __________.

Good scientific research is based on measurements that are objective,valid,and reliable.

The __________________ is a commonly occurring distribution that is characterized by its symmetrical shape with values clustered around a mean value.

A researcher,based on her review of relevant scientific studies,believes that there is a relationship between the frequency of a baby's crying and whether it was nursed at set intervals or on a demand schedule.If this belief were tested by experimentally manipulating feeding schedules,frequency of crying would be called the:

If the distribution of quiz scores for a class has high variability,most of the students scored within a few points of each other.

Dr.Schott's scatterplot reveals no real patterns or clusters.In fact,the data seems to fall randomly on the graph.This pattern of results is most likely from which type of correlation?