Which research design is used by the Gallup Poll to obtain ...

[leo leo]

Which research design is used by the Gallup Poll to obtain information about large numbers of people through sampling a small percentage of the total groups?
 
  1. Comparative study design
  2. One shot case study
  3. Time-series study design
  4. Survey study design

Question 2

Which type of study is conducted to develop, test, and evaluate research instruments?
 
  1. Field studies
  2. Methodological studies
  3. Secondary analysis studies
  4. Ex post facto studies

[emily12345]

Answer to Question 1

4
Rationale 1: Comparative studies examine the differences between intact groups on some dependent variable of interest.
Rationale 2: In a one-shot case study, a single group is exposed to an experimental treatment and observed after the treatment.
Rationale 3: In a time-series design, the researcher periodically observes or measures the subjects. The experimental treatment is administered between two of the observations.
Rationale 4: Survey design is used to gather data by questionnaire from smaller numbers to represent data indicative of a larger population.
Global Rationale:

Answer to Question 2

2
Rationale 1: Field studies are studies that occur in natural or real-life settings.
Rationale 2: Methodological studies are conducted to develop, test, and evaluate research instruments and methods.
Rationale 3: Secondary analysis studies utilize and analyze data gathered in other studies in order to test new hypotheses or examine new research questions.
Rationale 4: Ex post facto studies look at differences among groups in which some independent variable has occurred naturally.
Global Rationale: