research methods EXPERIMENTAL DESIGNS

Question 1

what is a experimental design

Answer 1

how researchers allocate participants

Question 2

what are the three types of experimental design

Answer 2

matched pairs design
independent group design
repeated measures design

Question 3

give one negative evaluation of matched pair designs and independent group designs

Answer 3

participant variables are time consuming
- solved by random allocation for independent groups
- solved by matching

Question 4

give 2 negative evaluation of repeated measures designs

Answer 4

order effects - solved by counterbalancing
demand characteristics

Question 5

what experimental design to researchers use for quasi and natural experiments

Answer 5

cant control iv so it is usually not their decision
MOST LIKELY NOT REPEATED MEASURE

Question 6

what are the key features of a

Answer 6

hypothesis testing
falsifiable
replicable
control
empirical

Question 7

what is central tendency

Answer 7

mean median mode

Question 8

what is standard deviation