Exam 1: Research Methods

Not all hypotheses are testable. One must avoid hypotheses that are phrased in a fashion that is too open-ended. Which of the following hypotheses appears to be MOST amenable to scientific test?

When discussing the various types of research methods available to psychologists, most psychologists would agree that __________.

Which of the following is most relevant to a study's external validity?

A friend tells you about how she disagrees with current research regarding a particular drug treatment, because her grandmother took the drug and it worked. But, you know that when friends tell you, even with certainty, that a particular treatment helped, that in itself does NOT mean the treatment is effective. After all, friends are more likely to tell you about successful treatments than about unsuccessful treatments. This problem is called a(n) __________.

A subset of the population a researcher is interested in studying is called a(n) __________.

Which of the following is not important in designing a persuasive experiment?

A research article you are reading reports the r values of various statistical results. You quickly know that this research must be a(n) __________ investigation.

Emma has a tendency to recall evidence that confirms her hypothesis or viewpoint, but has a more difficult time recalling contrary evidence. Emma is demonstrating a phenomenon called __________.

Introspection involves __________.

A hypothesis is testable if __________.

Why is the scientific method so important for psychology?

Reliability refers to an assessment of __________.

A meta-analysis study __________.

Which of the following statements regarding causation is true?

The four marbles are randomly chosen from a bag. The four marbles that are chosen compose the __________; the whole bag of marbles is the __________.

Which of the following is INCORRECT regarding quasi-experimental and correlation studies?

If an experimenter inadvertently smiles and is more encouraging when research participants answer questions in a particular way, or if she asks questions in a leading manner, or if she is friendlier to members of the experimental group than she is to members of the control group, then she is unintentionally increasing the experiment's __________.

In which of the following cases would an observational study be preferable to a traditional experiment?

In a quasi experimental study, the groups __________.

External validity means that a study __________.