Exam 2: How Psychologists Do Research

Thea agrees to sleep in an artificial setting for three nights so that researchers can obtain information about her brain and muscle activity during sleep. She is taking part in a research method called _______________.

People who are willing to take part in surveys usually have opinions and views that are different from those who decline to take part. This phenomenon is called:

The tendency to look for information that supports one's own belief is called:

A group of individuals that matches the population on important characteristics such as age and sex is called a(n):

Two sets of observations assessing age and the amount of hair on an adult man's head are compared. Which of the following is the most likely outcome?

In a(n) _______________ study, a researcher carefully and systematically watches and records behaviour, taking care to avoid affecting the subjects being studied.

Which of the following is true regarding the use of non-human animals in psychological research?

Techniques such as meta-analysis are useful in psychology because:

Benito is trying to define happiness in a way that can be empirically tested. He is attempting to find an appropriate _________.

When Jean-Luc entered college he agreed to participate in a research study that would investigate how college success was related to career success. Every year Jean-Luc had to complete a questionnaire related to his schooling or career. It is evident that Jean-Luc was:

Dr. Littman-Smith is conducting research in Kenya to learn about the ways that mothers and their toddlers interact as they go about their day. It is most likely that she is engaged in:

The president of the Parent Teacher Association (PTA) is concerned after reading that during puberty children have increased needs for sleep. She wants to find out if other parents of middle-school children would support a later starting time for school. At one of the Tuesday night meetings, she conducts a survey of the PTA members in order to address this question. When she asks those parents in support of the change to raise their hands, she discovers that 85 percent of the parents support a later starting time. What information has she gained by conducting this survey? What shortcomings exist in her survey?

Which of the following pairs of variables are likely to be positively correlated?

Why is it important to go beyond averages when summarizing data? What other descriptive statistics are used to help interpret data?

The _______________ tells us how clustered or spread out individual scores are around an arithmetic mean.

Which of the following pairs of variables would illustrate a negative correlation?

____________ is an objective, standardized way of describing the strength of the independent variable's influence on the dependent variable.

An operational definition states:

The main advantage of a ______________ study is that the results cannot be influenced by the expectations of either the participants or the experimenters.

Which of the following pairs of variables illustrates a negative correlation?