Exam 16: The Research Process

A time series design measures the dependent variable and is done several times over a period of time.

Which type of research studies the same population over an extended period of time?

Which type of research, for example, considers the effect of intraoral sodium bicarbonate rinses on the periodontal ligament of laboratory rats?

Stratifying a sample would define information such as age, gender, sex, income level, or educational levels.

A factorial design is used to study two or more independent variables.

Which type of study is an in-depth report on a single person, group, event, or situation?

Choose the item that best matches each item of the following: -Designed to determine the meaning of past events

A small version of a proposed study is called a ________.

Choose the item that best matches each item of the following: -A report about a small group of people

Which approach studies the meaning of past events?

Which approach measures the relationship between variables?

Posttest sensitization is the effect of the pretest on the outcome of the study.

Which type of approach describes and interprets current events or situations?

In a posttest-only design, the independent variable is introducing and then the dependent variable is measured.

The attempt to identify and describe the topic being researched is ________.

A study that uses questionnaires, opinionnaires, interviews, and indexes is called a ________.

A study in which neither the participant nor the researcher knows who is using a product or placebo is termed ________.

Choose the item that best matches each item of the following: -A survey fits into this approach

Choose the item that best matches each item of the following: -One population group with a common characteristic

An investigation that studies the frequency of flossing and periodontal disease is called a ________.