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PSYC 215 - Midterm Detailed Questions and Expert Answers $14.99   Add to cart

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PSYC 215 - Midterm Detailed Questions and Expert Answers

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PSYC 215 - Midterm Detailed Questions and Expert Answers

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  • August 14, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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PSYC 215 - Midterm Detailed Questions and
Expert Answers

Hindsight bias - ANS The tendency to believe that you could have predicted some
outcome which, in fact you could not have accurately predicted.



Hypothesis - ANS A prediction about what will happen under particular
circumstances.



Theory - ANS Body of related propositions intended to describe some aspect of the
world.



Observational research - ANS Looking at a phenomenon in a reasonably systematic
way.



Archival research - ANS Looking at evidence in archives of some sort.



Surveys - ANS Simply asking questions.



Population - ANS Group you want to know about.



Random samples - ANS Samples that are likely to capture the proportions of given
types of people in the population as a whole.

,Convenience samples - ANS Samples chosen out of ease. May be biased or skewed
in some way.



Correlational research - ANS Research that determines whether a relationship
exists between two or more variables.



Experimental research - ANS Research that randomly assigns people to different
conditions or situations, and enables researchers to make strong inferences about
how different conditions affect behavior.



3rd variable - ANS An outside variable in correlational research that may have
influenced the variables being measured.



Self selection - ANS Problem in correlational research where the participant selects
their level on each variable (married or not)



Independent variable - ANS The experimental factor that is manipulated; the
variable whose effect is being studied.



Dependent variable - ANS The outcome factor; the variable that may change in
response to manipulations of the independent variable.



Random assignment - ANS Assigning participants to different groups randomly so
that they have an equal chance of being assigned to any condition.

, Control condition - ANS A condition comparable to the experimental condition in
every way except that it lacks the one ingredient hypothesized to produce the
expected effect on the dependent variable.



Natural experiment - ANS Naturally occurring event that can be compared with
almost as much rigor as in experiments where the investigator manipulates the
conditions.



External validity - ANS Indication of how well the results of a study generalize to
contexts beyond the study itself.



Field experiment - ANS experiment conducted in a real world setting.



Internal validity - ANS Confidence in experimental research that only the
manipulated variable could have produced the results.



Debriefing - ANS Asking participants if they understand the instructions and
educating them about the questions being studied.



Reliability - ANS Degree to which the particular way researchers measure a given
variable is likely to yield consistent results.



Measurement validity - ANS Correlation between some measure and some
outcome the measure is supposed to predict.

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