Samenvatting
OCR AS Psychology Sperry summary sheet
- Vak
- Instelling
Summary sheet for core study describing the basics for the study as well as ethical consideration and evaluations of validity and reliability within the study.
[Meer zien]Voorbeeld 1 van de 1 pagina's
Voorbeeld 1 van de 1 pagina's
In winkelwagen
In winkelwagen
gesponsord bericht van onze partner
Verkoper
Volgen
lilywilkinson2007
Voorbeeld van de inhoud
Background: Aim: To investigate Validity:-Previous research showed split-brain animals psychological effects on -Population validity as the sample was small so cant generalise to other
showed numerous behavioural effects. hemispheric deconnection with people who have had the corpus colostomy surgery. However, everyone has
-Behavioural effects of the surgery may be less patients with severe epilepsy. a brain so can, in theory, generalise to everyone.
severe than other cerebral surgery.
-Two hemispheres can work independently. Method:
-Controlled observation/Quasi
Sample: experiment
11 split-brain patients who had surgery to -no control groups.
attempt to control severe epileptic convulsions. -Snapshot study
All had surgery at varying times. -IV = having split brain or not.
-DV = ppts ability to perform a
variety of visual and tactile
tests. Reliability:
+High internal reliability as all tasks carried out were done in the same way
Procedure: each time for each ppts (high level of control within the study).
Visual = Had one eye covered +Reliability in results as lateralisation of brain function in split-brain ppts
whilst looked at a fixed point on and between ppts, suggests that some findings are reliable.
a screen. Visual stimuli were + High in external reliability as it was a quasi experiment that took place in a
back projected for 0.1s. lab setting, which increases levels of control. Therefore, the study can
Sperry (1968)
be repeated outside of the study.
Tactile = Gap under screen so
ppts could reach objects but
not see their hands. Objects
were placed in left, right or
both hands.
Ethics:
Ppts took a variety of visual and +Gave informed consent and consented to be studied. However, as they
tactile tasks. were split brain ptts and experimenters were unaware of these effects of
Asked to say, describe, write, this, we can argue if ppts actually gave informed consent as thy may have
draw, point, etc. struggled to understand it.
Findings: Conclusions: -Could have caused psychological harm as repeated testing may have been
Visual = information in one visual field -Hemispheres are independent. stressful. Also, could have caused harm if ppts felt that having hemispheric
could only be recognised if shown to -Can still continue in day-to-day life. deconnection meant they were unable to do certain things.
same visual field. -Hemispheres are responsible for
RVF = describe and point with right hand. certain things. +No deception as they were told exactly what they would have to do.
LVF = Unable to name, point and find -Supports the bio approach.
with left hand.
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper lilywilkinson2007. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €7,41. Je zit daarna nergens aan vast.
Is Stuvia te vertrouwen?
4,6 sterren op Google & Trustpilot (+1000 reviews)
Afgelopen 30 dagen zijn er 60904 samenvattingen verkocht
Opgericht in 2010, al 14 jaar dé plek om samenvattingen te kopen