Topic Test Answers

Which of the following types of research is conducted on multiple occasions over time?

The treatment group in an experiment is also called the control group.

Which of the following statements is an explanation?

It is possible to represent most data in both qualitative and quantitative forms.

One of the disadvantages of experimental research is that __________.

When a hypothesis has been supported by observations from numerous experiments, it may be referred to as a __________.

Which of the following statements is a prediction?

A scientific theory must be supported with empirical evidence.

Which of the following statements concerning the sample size of an experiment is not accurate?

All of the following should be considered when designing a study except __________.

In a single-blind study, neither the researchers or the participants are aware of group assignments.

An explanation for behavior must be __________ and __________ to be considered a scientific theory.

All of the following are types of sampling techniques used in research except __________ sampling.

Researching known information is an important process of developing a research question.

One of the primary benefits of a survey is that they __________.

Scientific observations inspire scientific hypotheses and theories.

In an experiment, researchers want to determine if the __________ variable causes changes in the __________ variable.

Read the experimental design below and answer the question that follows.A researcher wants to determine the effects of sleep on memory and decides to schedule two groups of subjects for a sleep study. Both groups will be asked to memorize as many items as they can from the same prepared list of items. Then they will be allowed to go to sleep. In group A, the subjects will only be allowed to sleep for six hours. In group B, the subjects will be allowed to sleep for their usual amount of time. After each subject is finished sleeping, a quiz will be given over the list that was supposed to be memorized.What is the independent variable in the experiment?

Which is the fairest way to take a representative sample from a population?

Read the data example below and answer the question that follows. Three out of five seniors remain undecided about a college major at the end of their senior year. What type of data is represented?