Research Methods And Own Research

Question 1

Define correlation data

Answer 1

• measure the relationship between two co variables
• measure the strength and direction of relationship.
• presents in scatter graph

Question 2

Pro of using correlation method

Answer 2

• enable a relationship to be shown that is not easily noticed
• no manipulation of IV = no researcher bias and straight forward
• reduce p.pants variables
• spearman Rho can be conducted

Question 3

Cons of correlational method

Answer 3

• cannot establish cause and effect
• lacks validity = variables need to be operationalised = some maybe hard to quantify e.g. mental health

Question 4

Why do we use Spearman Rho in correlation ?

Answer 4

• when uses ordinal data or interval data
• when testing association
• when design of study is correlation
  = OV needs to be equal or larger than CV

Question 5

Aim of own practical

Answer 5

• to investigate the relationship between testosterone and aggression
• to see if there is a relationship between 2D 4D finger length ratio and their perceived aggression levels

Question 6

Procedure of practical

Answer 6

• 11 p.pants obtained from opportunity sample from the society
• all 11 p.pants completed a closed questionnaire on their perceived aggression out of 12 questions of total score of 72 using a 6 point likely scale
• p.pants score themselves out of 72
• trace around their dominant hand with a pencil on a paper, then use a ruler to draw a line at the tip of 2D and 4D fingers then slide the ruler down to stem and draw lines at stem of 2D 4D finger
• p.pants need to measure the length difference of from tip to stem of their 2D 4D finger
• then calculate ratio of 2D : 4D length in 2 d.p