day 12 Flashcards
Experimental research
Approaches to research , types of research- observation, relational, experimental. Goals are description prediction and explination
An experiment is a controlled observational design
Antecendent conditions are what makes it necessary for an event to occur.
Translating the model into an experiment
The event being studied is the dependent variable. Antecent contions that are manipulated by a experimenter are Iv antecendent condition that are not manipulated are control variables.
Experimental confounds
They will influence your experiment by something that you dont know about is not controlled for
Creating an experiment
Involves the Dv and how it will be measured. Ancedent conditions, one is the IV and the rest are control variables.
When to go an experiment
There is a casual hypothesis, possible casual faxtors have been identified, possible causal factors can be manipulated or controlled.
Design your experiment involves the decision about subjects
Who, how to recruit, why are you are picking them. How and to what extent to manipulate the UV(s). Between or within subjects design. how to define and measure the DV. What must be controlled and how.
Advantages and disadvatangesof between subjects design
An advantage is there is no carry over effects. Disadvantages comparability of groups, sample size needed when the effect is small.
