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psychology - lab experiment strength/weakness?

does anyone know of a strength and a weakness of a laboratory experiment, other than high levels of control, and low ecological validity?
Reply 1
Avatar for x Kelly x
x Kelly x
11
Strengths:
Manipulation of IV indicates cause and effect relationship.
Increased control and accurate measurement.
Standardised procedures = replication is possible.

Weakness:
Total control over all variables is not possible.
Artificial conditions may produce unnatural behaivour that lacks ecological validity.
Results likely to be biased by sampling, demand characteristics, experimenter expectancy.
May raise ethical problems of deception.

Are you doing your coursework? lol
^ What Kelly said :smile:

Look a this if it helps too: http://www.holah.karoo.net/glossary.htm#L
Reply 3
Avatar for echo34
echo34
OP
thanks for the help! and yes, i am doing my coursework, well, just improving some parts.
Reply 4
Avatar for SarahhhD
SarahhhD
8
S:Controled vaeriables
W:low eccological validity
Reply 5
Avatar for wedges
wedges
crazybeautiful that link is fab! thanks! :smile:
No problem (love appreciation from a post I made like 2 months ago! :laugh:)

The holah website is very good all-round if you are doing OCR, by the way
x Kelly
Strengths:
Manipulation of IV indicates cause and effect relationship.
Increased control and accurate measurement.
Standardised procedures = replication is possible.

Weakness:
Total control over all variables is not possible.
Artificial conditions may produce unnatural behaivour that lacks ecological validity.
Results likely to be biased by sampling, demand characteristics, experimenter expectancy.
May raise ethical problems of deception.

Are you doing your coursework? lol


Basically this, OP.
Reply 8
Avatar for x Kelly x
x Kelly x
11
you do realise the OP posted this like in july :s-smilie:
Aha, no I didn't notice.

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