Exam 2: Research Methods in Psychology

The research method in which the investigator manipulates a variable under carefully controlled conditions and observes whether any changes occur in a second variable as a result is the

In an experiment, the variable that is controlled or manipulated by the researcher is called the

In an experiment the variable that is manipulated by the researcher is known as the ____________________ variable and the variable that is measured is known as the ____________________ variable.

In an experiment the investigator varies the dependent variable and measures the independent variable.

The scientific approach requires that people specify exactly what they are talking about when they formulate hypotheses.Which advantage of scientific investigation does this illustrate?

The principle advantage of the experimental method is that the final conclusions can be extended to everyday behaviour that occurs outside the laboratory.

Dr Reddy has found a correlation of +0.65 between snoring and weight.This indicates that

A(n) ____________________ is a research method in which the researcher manipulates a variable under carefully controlled conditions and measures whether any changes occur in a second variable.

A group of researchers wanted to determine whether children would behave more aggressively after watching violent television programming.Half the children in the study watched a violent television show; the other children watched a non-violent television program.In this study, the control group is the children who

Mrs.Smith, an elementary school teacher, believes that girls are smarter than boys.She predicts that the girls in her class will learn more than the boys during the school year.Her prediction is a(n)

A psychologist measures blood alcohol level to determine intoxication.In this example, blood alcohol level is the ____ definition of intoxication.

Statistics can be used to do all of the below EXCEPT

A person who agreed with all the questions on a personality inventory, even when the questions contradicted each other, would be demonstrating a(n) ____________________.

In experimental research, subjects that receive some special treatment in regard to the independent variable are the

In experimental research, the researcher manipulates the ____ variable in order to measures its effect on the ____ variable.

Hypotheses are typically expressed as

In a study designed to test the effects of a new drug developed to treat Alzheimer's disease, half the patients were given the actual drug while the other half of the patients were given a placebo (sugar pill).In this study, the experimental group is

Dr Alberts designs a research study in which neither the subjects nor the individuals who interact directly with the subjects know which is the control group and which is the experimental group in the study.Dr Alberts probably chose this type of research design in order to

Sometimes a subject's expectations may lead to behaviour change in the absence of any effective treatment.This is referred to as an example of

A theory is