Exam 2: The Research Enterprise in Psychology

A researcher is measuring the heart rate of subjects as an index of anxiety.In this study,heart rate is

In an experiment designed to test memory processes,one group was given special instructions and asked to group the items on a list into categories while they tried to memorize them.A second group of participants was given the same list,but they did not receive any special instructions.In this study,the experimental group is

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

Theories permit researchers to move from

Inferential statistics help us determine whether ____ played a role in an experiment.

Any measurable conditions,events,characteristics,or behaviors that are controlled or observed in a study are called

While theories are most closely associated with the scientific goal of ____,hypotheses are most closely associated with the goal of ____.

An industrial designer wants to determine if the new design for a piece of office equipment will result in fewer errors.The designer sets up a machine with the old design in one room,and a machine with the new design in a second room.He counts how many errors are made using each of the two machines.In this study,the number of errors that are made would be

Which of the following is NOT a descriptive/correlational research method?

Dr.Macator predicts that people will act more aggressively during the heat waves of summer than they will during the cold spells of winter.This suggests that Dr.Macator believes that temperature and level of aggression are

Scientific theories must be subject to empirical scrutiny,that is to say they must be ____________________.

Carla earned 78 points on her statistics exam.Ten of the students in her class earned higher scores than she did,and ten students earned lower scores than she did.Based on this information,you can conclude that Carla's score of 78 points is

Which of the following is NOT a measure of central tendency?

You are sitting on a park bench in a major metropolitan area from 7 a.m. to 7 p.m. and you note the number of people who walk by, whether or not they litter, and their gender. You are engaging in

Theory construction is

The scientific approach assumes that

The use of reinforcement principles to modify a child's unruly behavior reflects the goal of science that deals with

The score that falls exactly in the center of a distribution of scores,such that half the scores fall below that score and half the scores fall above it,is the

Georgeanne calculated descriptive statistics for the age of residents in a nursing home.She reported the mean age as 75 years,with a standard deviation of 10 years.Later she found that she had made an error in her calculations.One resident's age was entered as 27 when it should have been 72.When this correction is made

Which type of error is the research study by Rosenthal and Fode described in the text book is used to illustrate?