Development psych general

15 important questions on Development psych general

What is meant with discontinuous development?


Specific ways of understanding or how to interact with and react on our environment appear at specific moments in time.

What are the three parts of personality stated by Freud?

  • id
  • ego
  • superego

What did Freud say about pleasure?

Freud stated that every action is driven by pleasure.
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Explain classical conditioning using the example of little Albert. Also give the unconditional stimulus, unconditioned response, neutral stimulus, conditioned stimulus, and conditioned response.

Little Albert was not afraid of anything, except loud and sudden noises. An experiment was done with little Albert. He could play with a rat, however, every time he reached for the rat one of the experimenters hit a steel bar behind him with a hammer. This caused for little Albert to be afraid of the rat.
Unconditional stimulus (US) = noise
Unconditioned response (UR) = crying
Natural stimulus (NS) = rat

Conditioned stimulus (CS) = rat
Conditioned response = crying 

What are ways to measure developmental psychology?

  • Interviews
  • Observations
  • Psychobiological measurements (heart beat, stress hormone, body fluids)

What are different study designs for developmental psychology?

  • Natural observation
  • Experimental method
  • Natural experiment
  • Developmental experiments

What are 5 types of developmental experiments?

  • Cross-sectional
  • Longitudinal
  • Time-lag
  • Cohort-sequential
  • Micro-genetic

What is natural observation? What advantages and disadvantages?

Natural observation is when behavior/phenomena is observed in a natural context.
Advantages:
  • Real children with real behavior are observed
Disadvantages:

  • Hard to control for all kind of variables

  • No causal conclusion

  • Hard to interpret

What is experimental observation? What are advantages and disadvantages?

Experimental observation is when behavior is observed in a lab context.
Advantages:

  • Strict control possible

  • Causal conclusions are possible 

  • Easier to replicate

Disadvantages:
  • Artificial environment of lab-context
  • Limited in generalization by confounding factors

What are confounding factors?


Operational confounding: a measure designed to assess a particular construct inadvertently measures something else as well
Procedural confounding: the researcher mistakenly allows another variable to change along with the manipulated independent variable

What is meant with a natural experiment? What are the advantages and disadvantages?


A natural experiment makes use of natural occurring scenarios (not under direct control of researcher) that fit a large part of the population.
Advantages:

  • Naturalistic

  • Allows almost causal conclusions

  • Reasonably controlled for age and period
Disadvantages:

  • Hard to carry out (costs (genotyping), drop-out;)
  • Allows other interpretations: a risk factor is still a correlation

What are the differences between a cross-sectional design, a longitudinal design, and a time-lag design?


Cross-sectional design: children of different ages are tested at one moment in time
Longitudinal design: the same set of children is tested repeatedly over a specific period
Time-lag design: children of different ages are tested at 2-3 different moments in time (cheaper than longitudinal)

What are normative and non-normative events? Also explain both events.

Normative and non-normative events are confouding factors.
Normative events: major historic life events (whole group), e.g. hunger winter
Non-normative events: person-specific major life events; e.g. loss of a loved one.

What are the advantages and disadvantages of longitudinal research?


Advantages
  • Not only age effects but individual development
  • More causality (increased power of analysis)

Disadvantages
  • Biased sampling
  • Time consuming
  • Expensive
  • Loss of participants over time (start with a much higher n-number)
  • Data possibly outdated
  • Confounding effect of age, period & cohort

What is time-lag research? What are the advantages and disadvantages?


Time-lag research studies different age cohorts at 2–3 moments in time.
Advantage

  • Relatively cheap

Disadvantage
  • Only age differences
  • No individual correlations
  • Cohort effect
  • Age differences possibly attributable to differences in time and place of development (e.g. before or after introduction of computer at home (typically ‘85-’90)), depending on the lag!

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