18 Questions
Which research design aims to accurately describe facts and characteristics of a given population or situation?
Ethnography
Which research design uses surveys to gather data without making judgments?
Descriptive-survey
Which design critiques descriptive data to identify ways to improve it?
Descriptive-normative
Which design compares variables to see if a significant difference exists?
Descriptive-comparative
Which characteristic of true experimental research involves randomly assigning participants?
Randomization
Which characteristic involves having a control group that does not receive the treatment?
Control
What is the purpose of identifying clusters and determining the size of each cluster in sampling methods?
To ensure equal representation from each stratum
In data collection methods, what is the main purpose of focus group discussion?
To have open discussions with a small group of selected participants
What is the key characteristic of an interview schedule used in qualitative research methods?
It provides a guide with structured questions for researchers
When reaching a saturation point in sampling, what does it signify?
The sample has covered all relevant information and reached a stopping point
What is the primary purpose of randomly selecting clusters in sampling methods?
To ensure adequate representation of different groups
In data collection, what distinguishes experiments from surveys and questionnaires?
Experiments are controlled studies where variables are manipulated by researchers
Which sampling method relies on chance and is considered unbiased?
Probability sampling
What is the first step in using systematic sampling?
Prepare a list of the population
In stratified sampling, what is equal allocation?
Allocating sample size equally among all strata
What is the formula used to calculate sample size for a finite population?
n = N / (1 + Ne^2)
If the population size is 500 and the desired margin of error is 0.04 at a 95% confidence level, what is the recommended sample size according to Slovin's formula?
145
Which sampling method is considered biased and relies on the researcher's choice?
Non-probability sampling
Learn about different strategies to determine sample size, from using a census for small populations to calculations like Slovin's Formula. Practice calculating sample sizes based on population size and precision level.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
