Introduction to Psychology: cram pack

Formula sheets, the key method steps for every topic and 8 practice problems, with full solutions at the back.

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1Practice problems

1.Cognitive psychologyMedium

The cognitive interview is used by police to improve eyewitness recall. Which technique does it include?

  1. AAsking only yes-or-no questions
  2. BMentally reinstating the context of the event
  3. CAsking leading questions to speed things up
  4. DShowing the witness photos of a single suspect
2.Cognitive psychologyHard

Linda is described as outspoken and concerned with social justice. Many people judge "Linda is a bank teller and a feminist" more likely than "Linda is a bank teller". What is the error?

  1. AAnchoring: the first description fixes the later estimate
  2. BThe conjunction fallacy: A and B cannot be likelier than A
  3. CThe gambler's fallacy: past events change the future odds
  4. DCorrect base-rate use: feminists are common among bank tellers
3.Developmental psychologyMedium

A parent sets strict rules, expects obedience without discussion and says "Because I said so". This style is:

  1. APermissive
  2. BAuthoritative
  3. CAuthoritarian
  4. DUninvolved
4.Developmental psychologyHard

Which of these is a key criticism of Kohlberg's theory of moral development?

  1. AIt claimed moral development ends at age 5
  2. BIt was based mainly on male participants and emphasised justice over care
  3. CIt ignored moral reasoning completely
  4. DIt was tested only on animals
5.Social psychologyMedium

Burger's 2009 partial replication of Milgram stopped at 150 volts for ethical reasons. What did it find?

  1. AObedience was far higher than in Milgram's study
  2. BObedience was similar to Milgram's at that point
  3. CAlmost nobody obeyed in a modern sample
  4. DWomen nearly always refused to continue
6.Social psychologyHard

In Latané and Darley's smoke-filled room study, participants alone usually reported the smoke, but those with two calm confederates rarely did. The best explanation is:

  1. ANormative influence from an authority figure
  2. BDeindividuation caused by sitting in a group
  3. CSocial loafing while working on a group task
  4. DPluralistic ignorance about whether it was an emergency
7.Clinical psychologyMedium

Which criterion of abnormality judges behaviour as abnormal when it is rare in the population?

  1. ADeviation from ideal mental health
  2. BFailure to function adequately
  3. CStatistical infrequency
  4. DDeviation from social norms
8.Clinical psychologyHard

A 22-year-old has had hallucinations and delusions for two months, after which they fully resolve. No mood episode occurred. Which diagnosis fits best?

  1. ASchizophreniform disorder
  2. BSchizoaffective disorder
  3. CBrief psychotic disorder
  4. DSchizophrenia

2Solutions

1.Cognitive psychology

Answer: B · Mentally reinstating the context of the event

Why this is the answer

The cognitive interview uses context reinstatement, reporting every detail, recalling in different orders and from different perspectives, which increases correct recall.

Answer

B · Mentally reinstating the context of the event
2.Cognitive psychology

Answer: B · The conjunction fallacy: A and B cannot be likelier than A

Why this is the answer

Tversky and Kahneman explained the error by representativeness: the description resembles a feminist, so people ignore the rule that P(A and B) cannot exceed P(A).

Answer

B · The conjunction fallacy: A and B cannot be likelier than A
3.Developmental psychology

Answer: C · Authoritarian

Why this is the answer

Authoritarian parents are demanding but not very responsive and rarely explain rules. Authoritative parents are also firm but warm and give reasons.

Answer

C · Authoritarian
4.Developmental psychology

Answer: B · It was based mainly on male participants and emphasised justice over care

Why this is the answer

Gilligan argued Kohlberg's original all-male sample and focus on justice undervalued an ethic of care, though later research found smaller gender differences than she proposed.

Answer

B · It was based mainly on male participants and emphasised justice over care
5.Social psychology

Answer: B · Obedience was similar to Milgram's at that point

Why this is the answer

Most participants who continue past 150 volts tend to go to the end, so Burger used it as a safe cut-off. Obedience at that point was only slightly lower than Milgram's.

Answer

B · Obedience was similar to Milgram's at that point
6.Social psychology

Answer: D · Pluralistic ignorance about whether it was an emergency

Why this is the answer

Participants used the passive confederates to interpret the ambiguous smoke as harmless. This is a failure at the interpretation step of helping.

Answer

D · Pluralistic ignorance about whether it was an emergency
7.Clinical psychology

Answer: C · Statistical infrequency

Why this is the answer

Statistical infrequency defines abnormality as behaviour far from the average. Its weakness is that some rare traits, such as very high IQ, are desirable.

Answer

C · Statistical infrequency
8.Clinical psychology

Answer: A · Schizophreniform disorder

Why this is the answer

Schizophreniform disorder has the symptoms of schizophrenia but lasts between one and six months. Duration is the main feature separating it from brief psychotic disorder and schizophrenia.

Answer

A · Schizophreniform disorder

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