PR2.... Flashcards
composed of a written list of item questions wherein the participants can answer independently.
questionnaire
designed to test hypotheses under controlled conditions and involves the manipulation of variables
Experiment
Types of experiments
- laboratory
- field
is a process wherein researchers purposely or selectively watch or listen to an occurring interaction or phenomenon.
Observation
Observation is quantified by using…
rating scales and checklists
also called standardized interviews or survey interviews because of their similarity to a survey’s question-and-answer format
Quantitative interviews
Data collection procedure
- ethical
- standardized
- reduced threats
is a powerful tool that is often associated with large-scale research.
Quantitative data analysis
Scales of Data
- Nominal
- Ordinal
- Interval
- Ratio
pertains to categories and has no numerical meaning
Nominal
the data are classified according to the ranking or order of the variables.
Ordinal
assumes that there is an equal interval between each data point.
Interval
indicates that there is an absolute zero. The characteristics of the three scales above are also found in the interval scale.
Ratio
simply summarizes the data by presenting it into more manageable bits
Descriptive Statistics
enables researchers to test their hypotheses and conduct regression analysis
Inferential Statistics
