Hassett Et Al (methods, sample)

Question 1

What was the research method?

Answer 1

• Field experiment
• Controlled observation (behavioural checklist)
• Correlational study .

Feild experiment as normal, outdoor housing. free to intercate with toys or not

Question 2

Name 1 aim of the study?

Answer 2

To investigate whether toy preferencs in monkeys resembled thoes of children. In order to test whether sex differences in toy preference was biolgically determined.

Question 3

Name 1 other aim of the study

Answer 3

To see if socialisation processes, or biological mechanisms affect sex stereotypical toy choice in rhesus monkeys.

Question 4

What was the IV?

Answer 4

• Whether the monkey was male or female

Question 5

What was the DV?

Answer 5

• Activities with the the toys (measured with controlled observation)

Question 6

What was the experimental design?

Answer 6

• Independent measures design

Question 7

How was the study a correlational design?

Answer 7

• Corelational analysis conducted on the results.
• To look for a relationship between monkeys rank and the frequency/duration of activities with each toy type

Question 8

The study involved a comparison.

Answer 8

• The data from the study on the mokeys was compared to another study with similar data involving children.

(Berenbaum and Hines, 1992)

Question 9

What type of monkeys were used?

Answer 9

Rhesus Monkeys

Question 10

What is the species of Rhesus Monekys?

Answer 10

• Macaca Mulatta

Question 11

The rhesus monkeys were members of a…,

Answer 11

• multi-male, multi-female social group
• Of 135 animals that had lived together for more than 25 years

Question 12

Where were the Monkeys Housed?

Answer 12

YNP= Yerkes National Primate (Research Centre)

Question 13

Describe features of the social group of monkeys

Answer 13

• Multiple matrilline social structure
• group members had various age ranges (infants-adults)

Multiple matrilline social structure- species typical

Question 14

Matrilineal definition

Answer 14

• kinship is based on the female relative
  ( children stay with mum)

Question 15

Prenatally definition

Answer 15

• Before birth

Question 16

Describe the number of animals in the sample (removed animals)

Answer 16

• Began with 135 monkeys
• 39 infants were not coded due diffulty of consistent identification. 14 were removed as they had beene exposed to varying hromonal treatments prenatally.
• Leaving 23 females and 11 males to be used in the final analysis

Question 17

How much monkeys were used in the final analysis?

Answer 17

• 23 females, 11 males

Monkets who had fewer than 5 behaviours/ did not intercate were excluded

Question 18

Why were 14 monkeys removed from the final analysis?

Answer 18

they had been exposed to varying hormonal treatments prenatally.

Question 19

Why were 39 (newborns 0-3 months) monkeys removed from the final analysis?

Answer 19

difficulty in consistent individual identification.

Question 20

Where were the monkeys housed?

Answer 20

• Housed with their social group.
• 25m x 25m outdoor compounds
• Had temperature controlled indoor quaters

Question 21

What food/water were the monkeys given?

Answer 21

• Monkey chow 2x a day
• Supplemented once a day with fruits and vegetables.
• Water continously avaible

Question 22

Why were observations of grooming behaviours used to determine rank

Answer 22

• The higher rank the more they would be groomed by other monkeys

Question 23

What is grooming?

Answer 23

• Social intercation
• Where a individual sits close to another
• Combs through their hair, removes dead skins or parsites
• Or just touches another