Exam 2: B: Reading and Evaluating Scientific Research

The term statistical significance implies that the results are ________________.

One way to increase the possibility that research results will generalize is to study a ____________ sample.

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

In general,what should researchers do with data after the results of a study have been published?

Support for a claim that is based on a story about an individual or event is called ___________ evidence.

In an experiment,the __________ group receives no manipulation.

The MKUltra project is often cited as an example of

A university president asks her psychology department chair if the university has more male or more female undergraduate psychology majors.What measure of central tendency is she asking about?

Dr.Sparks is concerned because he gave Julie a new intelligence test that he personally designed and her scores do not seem very consistent.Which aspect of psychological testing is Dr.Sparks concerned with?

Before beginning a study on the health effects of obesity,a group of researchers agree that,for the purposes of their research,anyone with a Body Mass Index greater than 30 kg/m² will be considered obese.This is an example of _______________.

If researchers wanted to study the effect of various factors on reaction time,which factor would require the researchers to use a quasi-experimental design instead of an experimental design?

Louis is participating in a survey on undergraduate drug use.When the interviewer asks Louis whether he has used illegal drugs in the last 6 months,he lies and says 'no' because he doesn't want the interviewer to have a poor opinion of him.Louis's response is an example of ________________.

Professor Todd decides to test her hypothesis that eating chocolate prior to exams increases students' test scores.She randomly assigns students to two groups at the beginning of the semester.One group receives a bar of chocolate before each test,while the other group receives another type of candy.She compares their scores at the end of the year,and finds that the students who ate the chocolate scored an average of ten points higher on their exams.What is the dependent variable in this experiment?

As the average daily temperature in Edmonton,Alberta,decreases the number of persons who are observed wearing sweaters in the workplace increases.This is an example of a(n)________ correlation.

Mr.Jones,a sixth-grade science teacher,has tried to predict his students' end-of-the-year grades by looking at their grades from the previous year.Unfortunately,there does not seem to be any systematic relationship between these two variables.The correlation between these two variables is probably ____________.

There is a negative correlation between wearing one's seat belt and the severity of injuries received during an accident.Which statement correctly illustrates this correlation?

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

Which of these is a type of correlation discussed in your text?

Participants in modern psychology experiments are given the right to

Which of the following is one of the questions that a researcher should ask herself before conducting a research study?