Exam 2: Thinking Critically with Psychological Science

A correlation coefficient is a

The self-correcting process for asking questions and observing nature's answers is known as

Which procedure helps to ensure that the participants in a survey are representative of a larger population?

A correlation between levels of impulsiveness and annual income of -0.75 would indicate that

The research method in which an investigator manipulates one or more factors to observe the effect on some behavior or mental process is called a(n)

Incorrectly interpreting a correlation between two factors as evidence of causation is best avoided by making use of

British researchers randomly assigned 424 hospitalized premature infants either to formula feeding or to breast-milk feeding.They found that on intelligence tests taken at the age of 8,those who were breast fed significantly scored higher than those who were formula fed.These researchers conducted a(n):

Hypotheses are best described as

The personal values of psychologists are likely to influence their choice of

Gene believes he is much more likely to win the state lottery if he chooses the numbers than if the numbers are randomly generated by a computer program.Gene's belief best illustrates

Which of the following is true for those assigned to a control group?

Regression toward the mean refers to the tendency for

Research participants are randomly assigned to different groups in an experiment in order to

Which of the following processes typically takes place shortly after people complete their participation in a research study?

To assess reactions to a proposed tuition hike at her school,Ariana sent a questionnaire to every fifteenth person in the registrar's alphabetical listing of all currently enrolled students.Ariana is ensuring that her survey results are accurate by using

Rebecca is talking to her friend about her daughter,Amy,who is in the ninth grade.Amy seems to have changed dramatically.She has changed her group of friends,she stays out past curfew,and she has been caught drinking alcohol.Also,her grades have dropped significantly.Rebecca's friend remarks,"Of course! Bad associations spoil useful habits." This best demonstrates

To determine whether the strength of people's self-esteem is related to their income levels,researchers would most likely make use of

Which of the following is NOT a weakness of the experimental method?

To minimize the extent to which outcome differences between experimental and control groups can be attributed to placebo effects,researchers make use of

The illusion that uncontrollable events are correlated with our actions is facilitated by a phenomenon known as