psychological methods - chapter 2 section 1 conducting research-
TRANSCRIPT
psychological methods-
Chapter 2 Section 1Conducting Research-
Steps of Scientific Research
• Form a Question• Form a Hypothesis• Test the Hypothesis• Analyze Results of Test• Draw a Conclusion
• Hypothesis: an educated guess
Surveys
• Asked to respond to a series of questions about a particular subject
• The finding are not
always accurate.
I will tell you what you want to hear
• Not because of the surveys because of the information people give.
• Some fear that their info wont be kept confidential.
Target populationThe whole group you want to study or describe.
• Too many in the target population
• Study a sample- only a part of the target population
Volunteer bias
People who volunteer to participate in research often because they have more free
time or an personal interest in the study.
Cross method
• Instead of following a set of individual over a number of years, researcher select a sample that includes people of different ages
Naturalistic observation
• Whether on groomed trails or following a troop through the underbrush, careful record keeping is essential to naturalistic observation.
Analyzing Observations
• Correlation– A measure of how closely one thing is related
to another
• Two types of correlation– Positive– negative
Variables- factors that can vary or change
• Independent- factors that researchers manipulate
• Dependent- depends on the independent variable.
Experimental groups receive the treatmentControl group does not . Every effort is made so
all other conditions are held constant
Informed Consent Deception
• People agree or consent to participate in a research study only after they are given a general overview of the research.
• At times participates are deceived. In testing a new drug the control group would be deceived by receiving the placebo.