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Author Question: In an experiment with two independent variables, the occurrence of an interaction means that a. ... (Read 65 times)

futuristic

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on: Jun 19, 2018
In an experiment with two independent variables, the occurrence of an interaction means that
 
  a. the experiment was poorly designed.
  b. there was a ceiling effect.
  c. the effect of one independent variable was different at different levels of the other independent variable.
 d. the effect of one independent variable was the same at all levels of the other independent variable.

Question 2

Identify two reasons that some researchers see single-case or small-n designs as superior to designs in which many participants are used.
 
  What will be an ideal response?


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ngr69

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Reply #1 on: Jun 19, 2018
Answer to Question 1

C

Answer to Question 2

According to Sidman (1960), designs with many participants do not allow for adequate replication of results, whereas single-case designs do. Second, group designs contribute to error variance in a study because using many people in a study increases error variance resulting from individual differences. Third, in group designs, we typically look at the mean performance within each group and then attempt to generalize the results to individuals. Psychologists thus draw conclusions about individual behavior based on studying the average performance of a group of people when Sidman believes it would be better to study individuals and then generalize to other individuals.


futuristic

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Reply 2 on: Jun 19, 2018
Gracias!

jackie

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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