Laboratory Experiments Evaluation
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Questions and Answers

What is a key characteristic of laboratory experiments?

  • Participants are not randomly allocated to groups
  • Involves manipulation of the independent variable (IV) (correct)
  • No control over experimental conditions
  • Conducted in natural settings

What is a disadvantage of laboratory experiments mentioned in the text?

  • Problems of demand characteristics (correct)
  • High ecological validity
  • Low control over experimental conditions
  • Easy to replicate for reliability

In what type of environment are field experiments conducted?

  • Artificial environment controlled by the researcher
  • Laboratory environment only
  • Natural environment (correct)
  • Classroom environment

What is a strength of field experiments mentioned in the text?

<p>High ecological validity (C)</p> Signup and view all the answers

In laboratory experiments, what is the main advantage of random allocation to experimental/control groups?

<p>Helps in inferring causation from the independent variable (IV) (A)</p> Signup and view all the answers

What is a limitation of field experiments as mentioned in the text?

<p>Low ecological validity (B)</p> Signup and view all the answers

What distinguishes a field experiment from a laboratory experiment?

<p>Higher ecological validity (A)</p> Signup and view all the answers

What is a weakness of field experiments compared to laboratory experiments?

<p>Higher chance of extraneous variables affecting results (D)</p> Signup and view all the answers

Why are quasi-experiments not considered 'true' experiments?

<p>Lack of manipulation of IV (D)</p> Signup and view all the answers

What distinguishes natural experiments from other methods?

<p>IV arises naturally (C)</p> Signup and view all the answers

What is a potential limitation of natural experiments?

<p>Threat to internal validity (B)</p> Signup and view all the answers

Why are natural experiments useful when manipulating the IV is unethical?

<p>Allows investigation of 'real' problems (A)</p> Signup and view all the answers

What distinguishes participant observations from other research methods?

<p>Observing participants in their natural environment (D)</p> Signup and view all the answers

Why are participant observations valuable in certain research contexts?

<p>'Real' problems investigation (A)</p> Signup and view all the answers

'What is a limitation of participant observations compared to controlled experiments?

<p>Lower ecological validity (D)</p> Signup and view all the answers

What distinguishes difference studies within the category of quasi-experiments?

<p>Presence of naturally arising IV (D)</p> Signup and view all the answers

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