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Goals of Research
| Question | Answer |
|---|---|
| what are the main goals of research? | to describe to predict to explain to apply behavioral and cognitive phenomena |
| descriptive research | aims to communicate variables as they exist in the world |
| observational studies | a naturalistic observation |
| case study | a case involving two or more people. usually meant to study people with rare conditions. has a lot of room for details. tedious to produce in large quantities |
| survey | can be administered through questionnaire email, over the internet, interviews, over the phone, or in a research lab setting. |
| what is an advantage of a questionnaire? | they ask respondents to provide the same information |
| what is an advantage of an interview? | the researchers can ask follow-up questions depending on the respondent's answer |
| what is an advantage of a survey? | easier to collect more data than with case studies and most observational research |
| predictive research | aims to make forecasts about future events |
| what are the two methods of predictive research? | correlational method and quasi-experiments |
| correlational method | measures the extent to which variables (two or more) relate to one another |
| quasi-experiments | compares naturally occurring groups of people. people tend to fall into one of several categories |
| can you assume causality with the correlational study? | no |
| wha | |
| what are the main goals of research? | to describe to predict to explain to apply behavioral and cognitive phenomena |
| descriptive research | aims to communicate variables as they exist in the world |
| observational studies | a naturalistic observation |
| case study | a case involving two or more people. usually meant to study people with rare conditions. has a lot of room for details. tedious to produce in large quantities |
| survey | can be administered through questionnaire email, over the internet, interviews, over the phone, or in a research lab setting. |
| what is an advantage of a questionnaire? | they ask respondents to provide the same information |
| what is an advantage of an interview? | the researchers can ask follow-up questions depending on the respondent's answer |
| what is an advantage of a survey? | easier to collect more data than with case studies and most observational research |
| predictive research | aims to make forecasts about future events |
| what are the two methods of predictive research? | correlational method and quasi-experiments |
| correlational method | measures the extent to which variables (two or more) relate to one another |
| quasi-experiments | compares naturally occurring groups of people. people tend to fall into one of several categories (socio-economic groups) |
| can you assume causality with the correlational study? | no |
| when may quasi-experiments be useful. | of you have counterintuitive results. it causes researchers to want to investigate the relationship further |
| explanatory research (experimental research) | allows researchers to draw cause-and-effect conclusions between phenomena of interest. the researcher uses control to establish cause-and-effect conclusions. |
| independent variable | the behavior that is controlled |
| dependent variable | the outcome |
| applied research | makes use of the findings from methods and applies them in a specific context |
| how can we draw cause-and-effect conclusions from the independent variable's effect on the dependent variable? | by using rand random assignment of participants |
| what is the purpose of random assignment? | to minimize the influence of other variables other than the independent variable. this way, any effects we find can be linked to the independent variable |
| framing effect | the manner in which information is presented and its influence on how people respond to that information |
| what two things are needed to draw cause-and-effect conclusions? | the manipulation of one variable the use of random assignment |