ad** condition. Show your working and give your answer to two significant figures.","markscheme":"- Calculates the difference between each score and the mean ($9.0$): $-3, 3, -2, 2, 0, 4, -1, 2, -3, -2$ M1\n- Calculates the sum of the squared differences: $9 + 9 + 4 + 4 + 0 + 16 + 1 + 4 + 9 + 4 = 60$ M1\n- Substitutes values correctly into either the sample standard deviation formula ($s = \\sqrt{\\frac{60}{9}}$) or population standard deviation formula ($\\sigma = \\sqrt{\\frac{60}{10}}$) M1\n- States the final standard deviation rounded to two significant figures: $2.6$ (using $N-1$) or $2.4$ (using $N$) A1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"5892cd18-c6e9-4ca1-a2ff-7f75badffb97","revisionId":"56256087-9391-4f29-8a29-5aa3c7d93144","questionNumber":null,"questionType":"LA","specification":"You will have learned about the classic study by Sperry (1968) into hemispheric lateralization.","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"isCalculation":false,"parts":[{"id":"d60e4568-6dec-46fc-8758-1d8d44ea1846","label":null,"content":"Explain **two** strengths of Sperry's (1968) research.","markscheme":"- Identifies a first strength of Sperry's research (e.g. highly controlled/standardised procedures, scientific rigour, or theoretical contribution) B1\n- Explains/elaborates on this first strength with context (e.g. flashing stimuli for $0.1$ seconds prevented eye movement, ensuring information went to one hemisphere and increasing internal validity) B1\n- Identifies a second strength of Sperry's research B1\n- Explains/elaborates on this second strength with context (e.g. pioneered scientific understanding of brain lateralisation, proving left-hemisphere dominance for language and right-hemisphere for spatial/creative tasks) B1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"593375cd-af9a-4128-b435-b1a584ed1c2d","revisionId":"f9148924-3945-4c5b-9700-33de731a7faf","questionNumber":null,"questionType":"LA","specification":"","difficulty":4,"difficultyBand":"medium","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"isCalculation":false,"parts":[{"id":"2ca3ac7c-c644-4112-bb19-1f9c26005a83","label":null,"content":"Describe how Marcus could use event sampling in his naturalistic observation of toddler turn-taking during a structured brick-building activity at a day nursery.","markscheme":"- Identifies and operationalises a specific target behavior representing 'turn-taking' (e.g., a toddler waiting for their partner to place a block before placing their own, or handing a brick to their partner). M1\n- Explains the recording mechanism of event sampling by stating that Marcus would record a tally every single time this defined behavior occurs during the observation session. A1","marks":2,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null}],"subjectCode":"a_level_psychology","summaries":[{"id":"00519ac0-fa57-4ffd-bc63-175bc9791dec","difficultyBand":"hard","calculatorUse":null,"totalMarks":8},{"id":"008d1a5b-6d81-43f0-b182-633ce5bb3652","difficultyBand":"medium","calculatorUse":null,"totalMarks":3},{"id":"00b0b20e-0dba-4633-9682-b1a0b709527e","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"00cd3885-2130-429c-8f91-6ea0afd909b1","difficultyBand":"medium","calculatorUse":null,"totalMarks":3},{"id":"00d9c609-9b30-484f-b5b0-055a8b45ff75","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"0108d523-f899-4807-be7a-a57e19ac3afe","difficultyBand":"medium","calculatorUse":null,"totalMarks":2},{"id":"019ceafb-9ad6-4ba5-b4bb-9b49638b924a","difficultyBand":"medium","calculatorUse":null,"totalMarks":4},{"id":"01eafb29-da46-4807-b120-ef9c

Research methods and skills

Question 83

Research methods and skills Questions

Research methods and skills

Question 83

Research methods and skills Questions