Chapter 2 Flashcards
Define the scientific method
Testing hypothesis through data collection and analysis; attempting to explain why something happens
What are the types of research methods (6)
Survey; correlational method; case study; experimental research; random assignment; participant bias
Define a survey
Descriptive research (polling) based on self-report of an inidv. experiences, attitudes, behaviours, opinions
How are surveys accurate if they use smaller groups than a real population
Through RANDOM SAMPLING, must call people with both cellphones and landlines
Define a sample (in survey research)
Group of participans in research
Define a population of interest (in survey research)
Sample of people selected from a larger group of people
Define the correlational method
Looking for degree of a relationship between 2+ variables; presented in a scatterplot graph
Does the correlational method prove causation
No, instead provides clues to explain
What are the 3 tyoes of correlational graphs(the actual lines)
Positive, negative 0
What are the 3 types of correlations
Weak, moderate, strong
Does the correlational method prove cause and effect
No
Define experimental research
Identifies cause/effect relationships
What are the 3 steps of experimental research
- Question 2. Variables 3. Experimental vs Control group
Which variable is manipulated in experimental research
Independant
Define random assignment
Research method in which each person in a study has an equal chance of being placed in one group or another
