Exam 2: Exstintion: How Psychologists Do Research

Julie has found that the number of hours she sleeps each night is related to the scores she receives on quizzes the next day.As her sleep approaches 8 hours,her quiz scores improve; as her sleep drops to 5 hours,her quiz scores show a similar decline.Julie realizes that:

____________ is a technique which allows a researcher to do an overview of numerous studies.

Ideally,in the experimental situation the independent variable is:

The majority of psychological research studies involve animals.

The hotter the weather,the more muggings tend to occur.This means that:

Research methods are important for all of the following reasons EXCEPT:

Dawn is systematically recording behaviors at a nursery school,making sure that she doesn't interfere with the behaviors.Dawn is engaged in:

Which descriptive method would be most appropriate for studying changes in behavior following a rare brain disorder?

Which of the following is the definition of "descriptive statistics"?

Case studies proved that autism in children was caused by rejecting,cold,"refrigerator" mothers.

When Patrick and Mary Anne first got married they agreed to participate in a research project that investigated the happiness of married couples over time.Every five years they complete a survey that indicates their marital satisfaction.It is evident that Patrick and Mary Anne are:

A statement that attempts to predict or to account for a set of phenomena is called a/an:

A researcher wants to know whether feeling nervous makes people eat chocolate.The amount of chocolate eaten:

Which of the following problems is NOT common to both experiments and surveys?

All of the following are major concerns that arise in cross-cultural research EXCEPT:

An experiment is a controlled test of a hypothesis in which the researcher manipulates one variable to discover its effect on another.

An operational definition:

The principle of falsifiability is the tendency to look for information that confirms one's beliefs thereby avoiding information that would prove one's beliefs to be false.

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

In an experiment on the effects of playing video games on school grades,which group is the control group?