Introduction to VCE Psych

Before beginning any kind of psychological investigation, a researcher should have a clear aim and at least one hypothesis. Which of the following are true with regard to hypotheses?

• You can have only one hypothesis.

• It sets out the overall goal of the research.

• It is a testable prediction.

In an experiment, researchers want to know the effect of the __________ variable on the dependent variable.

Which of the following is an example of a scientific idea?

• A. An idea based on anecdotal evidence.

• B. An idea based on opinion.

• C. An idea based on empirical evidence.

• D. A claim which cannot be tested.

In an experiment, the independent variable is

• A. a method of research that is used to test a hypothesis.

• B. the variable that is manipulated by the experimenter.

• C. the variable that is measured by the experimenter.

• D. the variable that is held constant by the experimenter to avoid its effect on the dependent variable.

Charbel wants to investigate the effect of learning in the same environment on the ability to recall information

from a specific text. The independent and dependent variables for Charbel’s investigation are respectively

• A. the environment while recalling and the ability to recall information.

• B. the ability to recall information and the environment.

• C. the environment while reading and not allowing participants to read the text in any room except their

  living room.

• D. not allowing participants to read the text in any room except their living room.

Doctor Hamza wants to test the effect of caffeine on feelings of anxiety among individuals

with hyperthyroidism.

The IV is..

• Caffeine

• Hyperthyroidism

• Feelings of anxiety

• Caffeine or No Caffiene

Doctor Hamza wants to test the effect of caffeine on feelings of anxiety among individuals

with hyperthyroidism.

The DV is

• Caffeine

• Hyperthyroidism

• Feelings of anxiety

• Caffeine or No Caffeine

Delilah wants to understand how mood might be affected by the number of minutes per day spent doing yoga. The correct hypothesis for this investigation is

• It is hypothesised that participants mood will increase with Yoga.

• It is hypothesised that Yoga will impact mood

• It is hypothesised that participants who completed 1 hours of Yoga a day will report a more positive mood

• It is hypothesised that participants who completed 1 hours of Yoga a day will report a more positive mood than those who did not complete any Yoga

Will working outside in fresh air increase productivity?

This is an example of an

• Aim

• Research Question

• Hypothesis

• Variable

Identify the IV and DV in the following Scenario

'To investigate the effect of screen time on eyesight in students'

• IV: Students

  DV: Screen Time

• IV: Screen time or no screen time

  DV: Students

• IV: Screen time or no screen time

  DV: Eyesight

• IV: Eyesight

  DV: Screen time or no screen time