Exam 2: Research Methods

Numerical characterisations that describe data are known as

One important limitation of the experimental design is that when research participants know what condition they have been assigned to, this knowledge, rather than the independent variable, may be the cause of the differences observed in the dependent variable. This is known as the ________ effect.

This simplest measure of variability is the

One difficulty in conducting medical research is that participants often assume that any treatment will be effective in alleviating their symptoms. Therefore, a researcher has to design an experiment that measures the influence of

An important danger of the heuristics and cognitive biases discussed in Chapter 2 is that they lead us

For many years, newspapers often mentioned the race of criminal suspects who were NOT white in the article detailing their crimes. This often led people who were not obviously biased or prejudiced to conclude that more non-whites committed crimes than whites. This is one example of

An experiment is said to be ________ when neither researchers nor participants are aware of who's in the experimental or control group.

If you are interested in examining the relationship between the number of class days missed and one's subsequent semester grade point average, you would be best served to use a(n)________ to study this question.

What is the purpose of an ethics committee?

In most experimental and correlational studies, the researcher is required to obtain the participant's ________.

The group that receives the manipulation is called the

Authorities have noted that there is an increased number of teen pregnancies among high schools that offer daycare to their students. We can draw which of the following conclusions?

The view of humans as cognitive processors who are lazy, looking to make judgements quickly, and without much effort is known as the ________ perspective.

Mathematical methods that allow us to determine whether we can generalise findings from our sample to the full population are called

The perception of a statistical association between two variables where none exists is known as

A research design characterised by random assignment of participants to conditions and manipulation of an independent variable is called a(n)

When data is positively skewed, the best measures of central tendency to report are the

Illustrate why being an informed consumer about research, research designs, and statistics will be helpful in identifying incorrect statements about research in the media and on the internet.

When neither the experimenter nor the participant have any knowledge of the experimental condition to which the participant has been assigned we say that this is a(n)________ study.

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