Introduction to psychology

Which is not a feature of experimental investigations?

• Manipulation of an independent variable in order to observe the effect on a dependent variable

• Use of control groups

• Random assignment of participants

• use of pre-existing groups

What are the independent and dependent variables in this experimental investigation? (Answer in order)

• Type of candy and average level of a happiness

• Frequency of candy consumption and average level of happiness

• Age of the child and average level of happiness

• Average level of happiness and frequency of candy consumption

What are the independent and dependent variable in this experimental investigation

• Average level of enjoyment and type of candy

• Type of candy and average level of enjoyment

• Donald Trump and Cole Sprouse

• Total number of pieces of candy consumed and peoples enjoyment

What type of measure has been used on this experimental investigation?

• Objective quantitative

• qualitative

• Subjective quantitative

• Focus group

Which type of investigation is this study likely to be?

• Qualitative

• Experimental

• Quantitative Observational

• Case study

When comparing experimental and quantitative observational investigations, which of these statements is the correct one?

• Experimental investigations are unethical and expensive

• Experimental investigations use random allocation

• Experimental investigations use pre-existing groups

• quantitative observational investigations do not have independent and dependent variables

Can you imply causality when dealing with quantitative observational investigations?

• No

• Yes

• If your sample size is large enough then you can

• Depends on the weather

Which of these is not an objective quantitative measure?

• Physiological measures e.g. heart rate

• Scores on standardised tests such as IQ

• Behavioural counts

• Rating scales on a scale of 1.....5 e.g. Likert scale

A psychologist sits with a groups of students in an informal group of 6-12 asking open ended questions with a facilitator present who takes notes. Which type of study is this?

• Delphi technique

• Open ended interview

• Multiple case studies

• Focus group

Mr K conducts an experiment in which he would like to measure the stress levels of high school teachers. His sample includes teachers from King's, Pedare and Tyndale. He includes 100 teachers in the sample. What is the weakness of this investigation?

• The sample size is too small

• The sample size is too big and will make the investigation too expensive

• The sample lacks representativeness

• The sample size lacks representativeness