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Author Question: An experimental design a. is one in which the investigator has direct control over at least one ... (Read 69 times)

arivle123

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on: Jun 29, 2018
An experimental design
 a. is one in which the investigator has direct control over at least one independent variable.
  b. is less capable of providing evidence of causal relationships than is an exploratory design.
  c. is less internally valid than a descriptive study.
  d. should be used only in realistic situations.
  e. is best suited for longitudinal analysis.

Question 2

Typically, __________ experiments have greater internal validity, and __________
  experiments have greater external validity.
 a. lab; field
  b. field; lab
  c. field; field
  d. lab; lab
  e. The internal and external validities are usually the same for both types of experiments.


zogaridan

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Reply #1 on: Jun 29, 2018
Answer to Question 1

a

Answer to Question 2

a


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arivle123

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Reply #2 on: Jun 29, 2018
Correct answers!


zogaridan

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Reply #3 on: Jun 29, 2018
Great! Please up vote :D


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