Exam 2: Exstintion: How Psychologists Do Research

Ryan and his middle-school teammates buy a sports magazine and take the test entitled "Do you have what it takes to make the NFL?" Given our textbook's discussion of test construction,what advice would be best to give to Ryan?

Dr.Littman-Smith is conducting research in Kenya in order to determine the ways that mothers and their toddlers interact throughout the day.It is most likely that she is engaged in:

Hoshi asked if the test she is taking used established standards of performance.Hoshi's question was about the test's:

The principle of falsifiability is defined as:

A sample's size is less critical than its representativeness.

Professor Flummox gives her new test of psychological aptitude to her psychology students at the start of the year.At the end of the year,she finds out that those students who received excellent scores on her test averaged only a "C" in her courses.A shortcoming of the test is that it lacks:

In the 1970s,Genie's difficulty acquiring words,grammar,and pronunciation led researchers to conclude that:

An association between increases in one variable and decreases in the other variable is called a positive correlation.

If the likelihood that a result occurred by chance is less than 5 percent:

Ethologists,such as Jane Goodall and Dian Fossey used the _______________ method to study apes and other animals in the wild.

Psychologists measure alternate-forms reliability by giving the same test twice to the same group of people.

When two variables have a strong negative correlation,the correlation coefficient will be close to:

Two types of validity are:

Interpreting the results of an experiment involves all of the following EXCEPT:

Unintended changes in subjects' behavior due to cues inadvertently given by the experimenter are called:

A primary reason for misuse of statistics is:

An essential part of scientific thinking is not only how to use statistics correctly,but also how to identify the misuse of statistics.Our authors suggest that students should:

A hypothesis is defined as:

The arithmetic mean is a commonly used measure of variability.

Which of the following would be considered a good example of a representative sample of college students in the United States: