Exam 2: The Research Enterprise in Psychology

When individuals in a research study experience some change even though they received an ineffectual treatment,they are displaying ____________________ effects.

Dr.Barton has found that students who score higher than 85% on the first midterm tend to earn scores of 75% or better on the final exam,while students who score less than 60% on the first midterm often end up with a failing grade on the final exam.This suggests that

Paulo tells you that he just completed an experiment in his botany class,and the results he obtained were statistically significant.This means that the results he obtained

Scientific theories are most directly associated with which goal of science?

The subjects who participate in an experiment should

The greatest advantage that the scientific method has over logical reasoning or common sense is that it results in cause-and-effect explanations.

A(n)____________________ is a tentative statement about the relationship between two or more variables.

In a journal article,the ____________________ presents an overview of the problem under investigation and quickly reviews previous research in the same area.

A psychologist monitors changes in the subject's heart rate as the subject watches a violent movie.The data collection technique being used is

Describe why scientific research methods are important to psychologists.

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)

In order to generalize from a sample to the larger population,the sample must include at least 5% of the population under investigation.

The FDA found that people who used a particular diet drug combination had more heart valve defects than people who had not taken the diet drug combination.This suggests that the use of the diet drug combination and heart valve defects are

Which of the following is NOT true regarding common sense analyses of behavior?

Which of the following pairs of terms related to the goals of science are MOST clearly associated with the concept of correlation?

Dr.Kalmagura plans on introducing a new exam review procedure in his chemistry classes.To check the effectiveness of the new procedure he is going to have half his students try the new technique for one semester,while the remaining students review in the way they have always done in the past.He asks each student to decide which of the techniques they would like to use,the new technique or the standard technique.In this example,Dr.Kalmagura's procedure illustrates

Which of the following is a major assumption of science?

"Statistically significant" means that the results of an experiment most likely

Answering the question of "why" something happens is most closely associated with which goal of science?

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.